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Chemistry form 4 topical question 8
 

Chemistry form 4 topical question 8

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    Chemistry form 4 topical question 8 Chemistry form 4 topical question 8 Document Transcript

    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 1 Which of the following statements 4 Which of the following salts can be 7 Which of the following reagents are best define the term ‘salt’? prepared by using double suitable to prepare lead (II) sulphate Antara pernyataan yang berikut, manakah decomposition method? salt? mentakrifkan istilah ‘garam’ dengan paling baik? Antara garam yang berikut, manakah boleh Antara reagen yang berikut, manakah sesuai A Salt is formed when metal reacts disediakan dengan kaedah pengoksidaan untuk menyediakan garam plumbum (II) sulfat? with an alkali. ganda dua? A Lead (II) oxide and sulphuric Garam terbentuk apabila logam bertindak A Silver chloride acid. balas dengan suatu alkali. Argentum klorida Plumbum (II) oksida dan asid sulfurik. B Salt contains sodium ions and B Barium nitrate B Lead (II) carbonate and sulphuric chloride ions. Barium nitrat acid. Garam mengandungi ion natrium dan ion C Sodium carbonate Plumbum (II) karbonat dan asid sulfurik. klorida. Natrium karbonat C Lead (II) nitrate and potassium C Salt is formed from a weak Van D Lead (II) nitrate sulphate. der Waals’ forces of attraction. Plumbum (II) nitrat Plumbum (II) nitrat dan kalium sulfat. Garam dibentuk daripada daya tarikan D Lead (II) chloride and sodium Van der Waals’ yang lemah. 5 Which of the following are the sulphate. D Salt is formed when the hydrogen ions in an acid is replaced by physical characteristics of salt Plumbum (II) klorida dan natrium sulfat. metal or ammonium ions. crystal? Antara yang berikut, manakah ialah sifat- 8 Diagram 1 shows the apparatus set- Garam terbentuk apabila ion hidrogen dalam suatu asid diganti oleh ion logam sifat fizik bagi hablur garam? up to prepare silver chloride. atau ion ammonia. I They have similar size. Rajah 1 menunjukkan susunan radas untuk Mempunyai saiz yang sama. menyediakan argentum klorida. 2 Which of the following reaction can II They have fixed angle. produce sodium nitrate and water? Mempunyai sudut yang tetap. Antara tindak balas yang berikut, manakah boleh menghasilkan natrium nitrat dan air? III They have fixed geometrical A Sodium chloride solution and shapes. Mempunyai bentuk geometri yang tetap. nitric acid. Larutan natrium klorida dan asid nitrik. IV They have flat surface, straight B Sodium sulphate solution and edges and sharp angles. Mempunyai permukaan yang rata, sisi nitric acid. yang lurus dan sudut yang tajam. Larutan natrium sulfat dan asid nitrik. Diagram 1 Rajah 1 C Sodium hydroxide solution and A I, II and III only I, II dan III sahaja Which of the following is most nitric acid. suitable to react with HCl to prepare Larutan natrium hidroksida dan asid B I, II and IV only I, II dan IV sahaja AgCl? nitrik. Antara yang berikut, manakah paling sesuai D Sodium and dilute nitric acid. C I, III and IV only untuk bertindak balas dengan HCl untuk Natrium dan asid nitrik cair. I, III dan IV sahaja menyediakan AgCl? D II, III and IV only A Silver nitrate C Silver metal 3 Which of the following is true about II, III dan IV sahaja Argentum nitrat Logam argentum the soluble and insoluble salt? Antara yang berikut, manakah benar tentang B Silver oxide D Silver Carbonate garam larut dan garam tidak larut? 6 Which of the following substances Argentum oksida Argentum karbonat can be used to prepare copper (II) Soluble in Insoluble in chloride by reaction with 9 Which of the following mixture will water water hydrochloric acid? react to produce an aqueous zinc Larut dalam air Tidak larut dalam air Antara bahan yang berikut, manakah boleh nitrate solution? bertindak balas dengan asid hidroklorik Antara campuran yang berikut, manakah A Silver chloride Sodium carbonate untuk menyediakan kuprum (II) klorida? akan bertindak balas untuk menghasilkan Argentum klorida Natrium karbonat I Copper (II) oxide larutan akueus zink nitrat? Kuprum (II) oksida I Zinc carbonate and dilute nitric B Ammonium II Copper (II) nitrate acid. Lead (II) sulphate sulphate Plumbum (II) sulfat Kuprum (II) nitrat Zink karbonat dan asid nitrik cair. Ammonium sulfat III Copper (II) carbonate II Zinc oxide and dilute nitric acid. Kuprum (II) karbonat Zink oksida dan asid nitrik cair. C Barium Aluminium IV Copper (II) hydroxide III Zinc oxide and potassium nitrate sulphate nitrate Kuprum (II) hidroksida solution. Barium sulfat Aluminium nitrat A I, II and III only Zink oksida dan larutan kalium nitrat. I, II dan III sahaja IV Zinc and aqueous sodium nitrate D Lead (II) B I, II and IV only solution. Sodium I, II dan IV sahaja Zink dan larutan akueus natrium nitrat. iodide hydroxide Plumbum (II) C I, III and IV only A I and II only C III and IV only Natrium hidroksida I, III dan IV sahaja I dan II sahaja III dan IV sahaja iodida D II, III and IV only B II and III only D I and IV only II, III dan IV sahaja II dan III sahaja I dan IV sahaja 10 What substance can you use to verify the cation and anion in a© Navision (M) Sdn. Bhd. (690640-P) 56 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 sample of zinc sulphate salt 6.8 g kalsium karbonat bertindak balas 16 Which of the following pairs of dengan 50 cm3 asid hidroklorik 1 mol dm–3, solution? solutions will produce a white HCl. Tentukan jisim kalsium karbonat yang Apakah bahan yang boleh anda gunakan precipitate? tidak mengambil bahagian dalam tindak untuk mengesahkan kation dan anion dalam Antara pasangan larutan yang berikut, balas. suatu sampel larutan garam zink sulfat? manakah akan menghasilkan mendakan [Jisim atom relatif: Ca = 40, C = 12, O = Cation Anion 16] putih? Kation Anion A 2.5 g C 4.3 g A Lead (II) nitrate and sodium B 3.8 g D 5.5 g chloride.A Nessler Dilute nitric acid and 13 Plumbum (II) nitrat dan natrium klorida. reagent silver nitrate solution. Cu + 2HCl → CuCl2 + H2 B Magnesium nitrate and sodium Reagen Nessler Asid nitrik cair dan larutan sulphate. argentum nitrat. Magnesium nitrat dan natrium sulfat. What is the mass of the saltB Nessler Dilute hydrochloric C Calcium nitrate and sodium produced when 100 cm3 of 2 mol reagent acid and barium chloride. dm–3 hydrochloric acid is used in the Kalsium nitrat dan natrium klorida. Reagen Nessler chloride solution. reaction? Asid hidroklorik cair dan D Barium sulphate and sodium [Relative atomic mass: Cu = 64, larutan barium klorida. chloride. Cl = 35.5, H = 1] Barium sulfat dan natrium klorida. Berapakah jisim garam yang dihasilkanC Aqueous Dilute nitric acid and 17 Aluminium oxide reacts with apabila 100 cm3 asid hidroklorik, 2 mol dm–3 ammonia silver nitrate solution. digunakan dalam tindak balas itu? sulphuric acid as follow: Akueus Asid nitrik cair dan larutan [Jisim atom relatif: Cu = 64, Cl = 35.5, H = Aluminium oksida bertindak balas dengan ammonia argentum nitrat. 1] asid sulfurik seperti yang berikut: A 12.8 g C 17.9 g B 13.5 g D 21.6 g Al2 + 3H2SO4→ Al2(SO4)3 + 3H2OD Aqueous Dilute hydrochloric Al2 + 3H2SO4→ Al2(SO4)3 + 3H2O ammonia acid and barium 14 5.0 cm3 of zinc (II) nitrate solution Akueus chloride solution. requires 50 cm3 of 0.02 mol dm–3 ammonia Asid hidroklorik cair dan If 5.1 g of aluminium oxide is used, hydrochloric acid for complete which of the following is true about larutan barium klorida. reaction as the equation below: the solution of sulphuric acid? 5.0 cm3 larutan zink (II) nitrat memerlukan11 Diagram 2 shows neutralisation 50 cm3 asid hidroklorik 0.02 mol dm–3 untuk [Relative atomic mass: Al = 27, O = reaction between an acid and alkali. tindak balas lengkap seperti persamaan di 16] bawah: Jika 5.1 g aluminium oksida digunakan, Rajah 2 menunjukkan tindak balas antara yang berikut, manakah benar tentang peneutralan antara satu asid dan alkali. Zn2+ (aq) + 2Cl– (aq) → ZnCl2 (s) larutan asid sulfurik itu? Zn2+ (ak) + 2Cl– (ak) → ZnCl2 (p) [Jisim atom relatif: Al = 27, O = 16] A 50 cm3 of 1.0 mol dm–3 sulphuric What is the molarity of the zinc (II) acid. nitrate solution? 50 cm3 asid sulfurik 1.0 mol dm–3. Apakah kemolaran larutan zink (II) nitrat? B 50 cm3 of 2.0 mol dm–3 sulphuric –3 A 0.05 mol dm acid. B 0.10 mol dm–3 50 cm3 asid sulfurik 2.0 mol dm–3. C 0.20 mol dm–3 C 50 cm3 of 3.0 mol dm–3 sulphuric D 0.50 mol dm–3 acid. 50 cm3 asid sulfurik 3.0 mol dm–3. 15 Which of the following is true about D 50 cm3 of 4.0 mol dm–3 sulphuric the use of salt? acid. Diagram 2 Rajah 2 Antara yang berikut, manakah benar tentang 50 cm3 asid sulfurik 4.0 mol dm–3. What is the volume of alkali needed kegunaan garam? to produce 0.745 g of salt? Salt Use 18 Sodium carbonate solution is added [Relative atomic mass: K = 39, H = Garam Kegunaan into copper (II) nitrate solution in an 1, O = 16, Cl = 35.5] Berapakah isi padu alkali yang diperlukan A Ammonium Anti-acids experiment. What is the colour of untuk menghasilkan 0.745 g garam? sulphate Anti-asid the precipitate obtained? [Jisim atom relatif: K = 39, H = 1, O = 16, Ammonium sulfat Larutan natrium karbonat ditambahkan ke Cl = 35.5] dalam larutan kuprum (II) nitrat dalam satu A 5 cm3 C 15 cm3 B Sodium Food eksperimen. Apakah warna mendakan yang diperoleh? B 10 cm3 D 20 cm3 chloride preservative Natrium klorida Pengawet makanan A Green12 6.8 g of calcium carbonate reacts Hijau with 50 cm3 of 1 mol dm–3 C Sodium nitrate Food flavouring B Yellow Natrium nitrat Perisa makanan Kuning hydrochloric acid, HCl. Determine C White the mass of calcium carbonate that Putih D Silver bromide Photography has not taken part in the reaction. Argentum bromida Fotografi D Brown [Relative atomic mass: Ca = 40, C = Perang 12, O = 16]© Navision (M) Sdn. Bhd. (690640-P) 57 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 119 Which of the following ions is in D Magnesium oxide A Lead (II) nitrate white precipitate and insoluble in Magnesium oksida Plumbum (II) nitrat excess sodium hydroxide solution? 22 Diagram 3 is a chart which shows B Calcium carbonate Antara ion-ion yang berikut, manakah Kalsium karbonat the reaction of substance X. C Magnesium carbonate berbentuk mendakan putih dan tidak larut Rajah 3 ialah satu carta yang menunjukkan dalam larutan natrium hidroksida yang Magnesium karbonat tindak balas bagi bahan X. berlebihan? D Zinc nitrate A Al3+ Zink nitrat B Pb2+ C Zn2+ 25 A few drops of sodium hydroxide, D Mg2+ NaOH solution, is added to an aqueous solution. A green20 An aqueous iron (II) sulphate is precipitate is formed. Which of the added with aqueous sodium following may be present in the hydroxide and aqueous barium solution? Beberapa titik larutan natrium hidroksida, chloride. Which of the following is ditambahkan ke dalam suatu larutan akueus. true about the observation of both Satu mendakan hijau terbentuk. Antara yang the reaction? berikut, manakah mungkin hadir dalam Diagram 3 Rajah 3 larutan itu? Satu akueus ferum (II) sulfat ditambahkan dengan akueus natrium hidroksida dan Which of the following is true about A Cu2+ C Fe3+ akueus barium klorida berasingan. Antara substances X, Y and Z? B Fe2+ D NH4+ yang berikut, manakah benar tentang Antara yang berikut, manakah benar tentang pemerhatian bagi kedua-dua tindak balas? bahan X, Y dan Z? 26 A substance, P, dissolves in dilute I X is a carbonate salt. X ialah satu garam karbonat. hydrochloric acid to produce a gas Aqueous Aqueous which turn lime water milky. When sodium barium chloride II Z contains copper (II) ions. Z mengandungi ion kuprum (II). aqueous sodium hydroxide is added, hydroxide Akueus barium klorida III Z is a blue precipitate. a brown precipitate is formed. What Akueus natrium hidroksida Z ialah satu mendakan biru. is probably P? IV Y is charged to Z by precipitation. Satu bahan P larut dalam asid hidroklorik cair untuk menghasilkan gas yang A White Yellow Y dicas kepada Z dengan pemendakan. mengeruhkan air kapur. Apabila akueus precipitate precipitate natrium hidroksida ditambah, satu mendakan Mendakan putih Mendakan kuning A I, II and III only perang terbentuk. Apakah kemungkinan P? I, II dan III sahaja A Iron (III) carbonate B Green White B I, II and IV only Ferum (III) karbonat precipitate precipitate I, II dan IV sahaja B Zinc carbonate Mendakan hijau Mendakan putih C I, III and IV only Zink karbonat I, III dan IV sahaja C Magnesium carbonate C White Green D II, III and IV only Magnesium karbonat precipitate precipitate II, III dan IV sahaja D Lead (II) carbonate Mendakan putih Mendakan hijau Plumbum (II) karbonat 23 A few drops of ammonia solution is 27 When lead (II) nitrate is heated, D Yellow White added to solution Y. Solution Y which of the following changes can precipitate precipitate formed a white precipitate which Mendakan kuning Mendakan putih be seen? dissolves in excess ammonia Apabila plumbum (II) nitrat dipanaskan,21 Solution X is mixed with the solution. Determine the ions in antara perubahan yang berikut, manakah solution Y. boleh diperhatikan? following reagents. I Brown gas evolved. Beberapa titis larutan ammonia ditambahkan Larutan X bercampur dengan reagen yang ke dalam larutan Y. Larutan Y membentuk Gas perang dibebaskan. berikut. satu mendakan putih yang larut dalam II Gas that relights glowing wooden • Dilute sulphuric acid. larutan ammonia berlebihan. Tentukan ion splint. Asid sulfurik cair. dalam larutan Y. Gas yang menyalakan kayu uji berbara. • Iron (II) sulphate. A Ca2+ C Al3+ III No charges for the colour of Ferum (II) sulfat. B Pb2+ D Zn2+ residue. • Concentrated sulphuric acid. Tiada perubahan warna bagi baki. Asid sulfurik pekat. 24 Solid P is heated to produce a brown IV Colour of residue is yellow when gas and a gas that relights a glowing hot. Brown ring is formed at the end of wooden splinter. The residue of the Baki adalah berwarna kuning apabila the reaction. What is the solution X? reaction is yellow when hot and panas. Cincin perang terbentuk pada akhir tindak A I and II only C III and IV only balas. Apakah larutan X? turns into white when cold. What is I dan II sahaja III dan IV sahaja A Barium chloride solid P? Pepejal P dipanaskan untuk menghasilkan B II and III only D I and IV only Barium klorida gas perang dan gas yang menyala kayu uji II dan III sahaja I dan IV sahaja B Sodium nitrate berbara semula. Baki tindak balas ialah Natrium nitrat C Potassium sulphate kuning apabila panas dan menjadi putih 28 The following tests are conducted on apabila sejuk. Apakah pepejal P? solution X as shown in Table 1. Kalium sulfat© Navision (M) Sdn. Bhd. (690640-P) 58 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 Ujian berikut dijalankan ke atas larutan X Antara ion yang berikut, manakah hadir C Magnesium oxide seperti yang ditunjukkan dalam Jadual 1. dalam larutan X? Magnesium oksida 2+ 2+ Test Observation A Ca C Mg D Lead (II) carbonate Ujian Pemerhatian B Zn2+ D Pb2+ Plumbum (II) karbonat 30 Which of the following reagents can Add excess White precipitate 29 The following information explains be used to differentiate dilute sodium that does not the properties of P. sulphuric acid and hydrochloric hydroxide dissolve in excess Maklumat berikut menjelaskan sifat-sifat P. acid? solution. sodium hydroxide • Insoluble. Antara reagen yang berikut, manakah boleh Tambahkan larutan solution. digunakan untuk membezakan asid sulfurik Tidak larut. natrium hidroksida Mendakan putih yang cair dan asid hidroklorik? berlebihan. tidak larut dalam • Liberates gas when heated. I Sodium hydroxide solution larutan natrium Membebaskan gas apabila dipanaskan. Larutan natrium hidroksida hidroksida berlebihan. • When dilute acid is added, a gas II Barium nitrate solution will be liberated. Larutan barium nitrat Add excess White precipitate is Apabila asid cair ditambahkan, satu gas III Silver nitrate solution ammonia formed. akan dibebaskan. Larutan argentum nitrat solution. Mendakan putih terbentuk. Which of the following is P? IV Iron (II) sulphate solution Tambahkan larutan Antara yang berikut, manakah ialah P? Larutan ferum (II) sulfat ammonia berlebihan. A Barium sulphate A I and II only C III and IV only Table 1 Jadual 1 Barium sulfat I dan II sahaja III dan IV sahaja Which of the following ions is B Silver chloride B II and III only D I and IV only present in solution X? Argentum klorida II dan III sahaja I dan IV sahaja PAPER 2 KERTAS 2 SECTION A BAHAGIAN A 1 Table 1 shows the positive and negative ions in three salt ___________________________________________________ solutions. Jadual 1 menunjukkan ion positif dan ion negatif dalam tiga larutan [1 mark / 1 markah] garam. (ii) Write the chemical equation for the reaction. Tuliskan persamaan kimia untuk tindak balas itu. Name of salt Positive ion Negative ion Nama garam Ion positif Ion negatif ___________________________________________________ [2 marks / 2 markah] Lead (II) nitrate Pb2+ NO3– Plumbum (II) nitrat (iii) Name the precipitate formed. Namakan mendakan terbentuk. Sodium chloride Na+ Cl– Natrium klorida ___________________________________________________ Barium carbonate [1 mark / 1 markah] Ba2+ CO32– Barium karbonat (iv) Calculate the number of mole of sodium chloride Table 1 Jadual 1 in the solution. Hitungkan bilangan mol natrium klorida dalam larutan itu. (a) What is another name for a negatively charged ion? ___________________________________________________ Apakah nama lain bagi ion bercas negatif? [1 mark / 1 markah] ________________________________________________________ [1 mark / 1 markah] (b) Write the formula for lead (II) nitrate. Tuliskan formula untuk plumbum (II) nitrat. (v) Calculate the mass of precipitate formed. [Relative atomic mass: Pb = 207, Cl = 35.5] ________________________________________________________ Hitungkan jisim mendakan yang terbentuk. [1 mark / 1 markah] [Jisim atom relatif: Pb = 207, Cl = 35.5] ___________________________________________________ (c) When 50 cm3 of 1.0 mol dm–3 sodium chloride solution [2 marks / 2 markah] is added to excess lead (II) nitrate, a precipitate is 2 Diagram 1 shows a series of tests performed on a colourless formed. Apabila 50 cm3 larutan natrium klorida 1.0 mol dm–3 ditambah ke solution that consisting of one cation and two anions. dalam plumbum (II) nitrat berlebihan, satu mendakan terbentuk. Rajah 1 menunjukkan ujian bersiri yang dijalankan ke atas satu larutan tak berwarna yang mengandungi satu kation dan dua anion. (i) What is the colour of the precipitate? Apakah warna mendakan?© Navision (M) Sdn. Bhd. (690640-P) 59 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 Diagram 2 Rajah 2 Diagram 1 Rajah 1 (a) What is solid P? (a) What is the gas produced in Test 1? Apakah pepejal P? Apakah gas yang dihasilkan dalam Ujian 1? ________________________________________________________ ________________________________________________________ [1 mark / 1 markah] [1 mark / 1 markah] (b) When solid P is heated, it decomposes to form solid R (b) Complete the table below. and carbon dioxide. Lengkapkan jadual di bawah. Apabila pepejal P dipanaskan, ia terurai untuk membentuk pepejal R dan karbon dioksida. Test Inference (i) What is solid R? Ujian Inferens Apakah pepejal R? ___________________________________________________ 1 [1 mark / 1 markah] 2 (ii) State the colour of R when it is cooled. Nyatakan warna R apabila sejuk. 3 ___________________________________________________ [1 mark / 1 markah] [3 marks / 3 markah] (c) A student is adding dilute sulphuric acid with zinc metal (c) Nitric acid is added to solid P to form a colourless to produce crystaline Z. solution Q. Seorang murid mencampurkan asid sulfurik cair dengan logam zink Asid nitrik ditambahkan ke dalam pepejal P untuk membentuk satu untuk menghasilkan hablur Z. larutan tak berwarna Q. (i) Name the crystaline Z. (i) What is the colourless solution Q? Namakan hablur Z. Apakah larutan tak berwarna Q? ___________________________________________________ ___________________________________________________ [1 mark / 1 markah] [1 mark / 1 markah] (ii) Write the equation for the reaction. (ii) What will happen when nitric acid is added to Tuliskan persamaan untuk tindak balas itu solid P? ___________________________________________________ Apakah akan terjadi apabila asid nitrik ditambahkan ke dalam [1 mark / 1 markah] pepejal P? ___________________________________________________ [1 mark / 1 markah] (iii) Calculate the mass of crystaline Z if 50.0 cm3 of (iii) What can be observed in S if excess ammonia, 0.02 mol dm–3 sulphuric acid is reacted with zinc NH3 solution is added to solution Q? Apakah boleh diperhatikan dalam S jika larutan ammonia, NH3 metal. berlebihan ditambahkan ke dalam larutan Q? [Relative formula mass of Z = 161] ___________________________________________________ Hitungkan jisim hablur Z jika 50 cm3 asid sulfurik 0.02 mol [2 marks / 2 markah] dm–3 bertindak balas dengan logam zink. [Jisim formula relatif bagi Z = 161] ___________________________________________________ (iv) When potassium iodide, KI is added to solution Q, [3 marks / 3 markah] it forms yellow precipitate T. Identify T. Apabila kalium iodida, KI ditambahkan ke dalam larutan Q, ia membentuk mendakan kuning T. Kenal pastikan T. 3 Diagram 2 shows the chemical changes that occur on P. ___________________________________________________ Rajah 2 menunjukkan perubahan kimia yang berlaku di atas P. [1 mark / 1 markah] (v) Write the ionic equation for the reaction between solution Q and potassium iodide, KI. Tuliskan persamaan ion untuk tindakan balas antara larutan Q dan kalium iodida, KI.© Navision (M) Sdn. Bhd. (690640-P) 60 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 ___________________________________________________ Apabila T dipanaskan dalam air panas, apakah boleh [1 mark / 1 markah] diperhatikan? ___________________________________________________ (vi) When T is heated in hot water, what can be [1 mark / 1 markah] observed? SECTION B BAHAGIAN B 4 The following are three examples of carbonate salts that can be prepared in the laboratory. Berikut ialah tiga contoh garam karbonat yang disediakan dalam makmal. Iron (II) sulphate, FeSO4 (c) Diagram 3 shows the reaction and observation for salt Ferum (II) sulfat, FeSO4 X. Barium sulphate, BaSO4 Rajah 3 menunjukkan tindak balas dan pemerhatian untuk garam Barium sulfat, BaSO4 X. Zinc sulphate, ZnSO4 Zink sulfat, ZnSO4 (a) (i) From these examples, identify the soluble and insoluble salts. Daripada contoh-contoh tersebut, kenal pastikan garam larut dan garam tak larut. [3 marks / 3 markah] (ii) Give the suitable reactants for the preparation of zinc sulphate, ZnSO4. Berikan bahan tindak balas yang sesuai untuk menyediakan zink sulfat, ZnSO4. Diagram 3 Rajah 3 [2 marks / 2 markah] (i) What is gas Y? Write an equation for the reaction between salt X and dilute acid. Apakah gas Y? Tuliskan persamaan untuk tindak balas (b) An experiment is carried out in a laboratory. Explain antara garam X dan asid cair. the preparation method for preparing iron (II) [2 marks / 2 markah] sulphate. (ii) What is the observation in Z? Identify the ion Satu eksperimen dijalankan dalam makmal. Terangkan kaedah presented in Z. penyediaan untuk menyediakan ferum (II) sulfat. Apakah pemerhatian dalam Z? Kenal pastikan ion yang [10 marks / 10 markah] hadir dalam Z. [3 marks / 3 markah] SECTION C BAHAGIAN C5 (a) You are given a lead (II) carbonate salt. State a way to Anda diminta menyediakan plumbum (II) sulfat kering. Bahan kimia yang dibekalkan ialah: determine the cation and anion in lead (II) carbonate – Lead (II) carbonate salt. Plumbum (II) karbonat Anda diberi garam plumbum (II) karbonat. Nyatakan satu cara untuk menentukan kation dan anion dalam garam plumbum (II) karbonat. – Sodium sulphate Natrium sulfat [6 marks / 6 markah] – Nitric acid Asid nitrik (b) You are require to prepare a dry lead (II) sulphate. The Describe and explain how to prepare the salt. chemical supplied are:© Navision (M) Sdn. Bhd. (690640-P) 61 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 Huraikan dan terangkan bagaimana menyediakan garam tersebut. [14 marks / 14 markah] PAPER 3 KERTAS 3 1 An experiment was carried out to construct an ionic equation for the formation of barium chromate (VI) using the following steps: Satu eksperimen telah dijalankan untuk membina persamaan ion bagi pembentukan barium kromat (VI) dengan langkah berikut: ● 5 cm3 of 1.0 mol dm–3 potassium chromate (VI) solution was filled in eight test tubes. 5 cm3 larutan kalium kromat (VI) 1.0 mol dm–3 diisikan ke dalam lapan tabung uji. ● 1 cm3 of 1.0 mol dm–3 barium chloride solution was added to the test tube a using burette. 1 cm3 larutan barium klorida 1.0 mol dm–3 ditambahkan ke dalam tabung uji A dengan buret. ● Experiment is repeated for test tubes B, C, D, E, F, G and H using different volume of barium chloride as shown in Diagram 1.1. Eksperimen diulangkan bagi tabung uji B, C, D, E, F, G dan H dengan isi padu barium klorida yang berbeza seperti yang ditunjukkan di Rajah 1.1. Diagram 1.1 Rajah 1.1 After 30 minutes, the height of the precipitate in each test tube was recorded. Diagram 1.2 shows the reading of the height of the settled precipitate in each test tube. Selepas 30 minit, ketinggian mendakan di dalam setiap tabung uji dicatatkan. Rajah 1.2 menunjukkan bacaan ketinggian mendakan dalam setiap tabung uji.© Navision (M) Sdn. Bhd. (690640-P) 62 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1 Diagram 1.2 Rajah 1.2 (a) State one hypothesis for this experiment. (f) Plot a graph of the height of the precipitate against the Nyatakan satu hipotesis bagi eksperimen ini. volume of barium chloride solution. [3 marks / 3 markah] Plot graf bagi ketinggian mendakan melawan isi padu larutan barium klorida. (b) (i) Predict the colour of mixture solution in test tube [3 marks / 3 markah] H at the end of the experiment. Ramalkan perubahan warna dalam larutan campuran dalam (g) From the graph in (f), determine the minimum volume tabung uji H pada akhir eksperimen. of barium chloride solution required for complete [3 marks / 3 markah] reaction with 5 cm3 potassium chromate (VI) solution. Daripada graf dalam (f), tentukan isi padu minimum larutan barium (ii) State one inference of your answer in (b) (i). klorida yang diperlukan untuk lengkap tindak balas dengan 5 cm3 Nyatakan satu inferens bagi jawapan anda di (b) (i). larutan kalium kromat (VI). [3 marks / 3 markah] [3 marks / 3 markah] (c) State the colour of precipitation formed. (h) Explain why the height of precipitate of barium Nyatakan warna mendakan yang terbentuk. chromate (VI) remains constant from test tubes E to H. [3 marks / 3 markah] Terangkan kenapa ketinggian mendakan barium kromat (VI) malar dari tabung uji E sampai H. (d) Write the variables for this experiment. [3 marks / 3 markah] Tuliskan pemboleh ubah bagi eksperimen ini. (i) Manipulated variable (i) Calculate the number of moles of chromate (VI) ions Pemboleh ubah dimanipulasikan that reacted with 1 mole of barium ions. (ii) Responding variable Hitung bilangan mol ion kromat (VI) yang bertindak balas dengan 1 Pemboleh ubah bergerak balas mol ion barium. (iii) Controlled variable [3 marks / 3 markah] Pemboleh ubah yang dimalarkan [3 marks / 3 markah] (j) Construct a balanced ionic equation for the formation of barium chromate (VI). (e) Record the height of the precipitate in Diagram 1.2. Binakan satu persamaan ion yang seimbang bagi pembentukan Catatkan ketinggian mendakan dalam Rajah 1.2. barium kromat (VI). [3 marks / 3 markah] [3 marks / 3 markah]© Navision (M) Sdn. Bhd. (690640-P) 63 SULIT
    • SULIT NAMA: _______________________________________________ TINGKATAN: ______________ Lekat logo sekolah di sini TOPICAL TEST 8: SALTS UJIAN TOPIKAL 8: GARAM PAPER 1 KERTAS 1© Navision (M) Sdn. Bhd. (690640-P) 64 SULIT