Chemistry is the study of the properties, composition, and structure of matter and the changes they undergo. The branch of chemistry that studies how plastics are formed is polymer chemistry. Sodium nitrite is added to burger as a food preservative.

1. 1. Chemistry is the study of
Kimia adalah kajian tentang
A structure of living things.
Struktur benda hidup
B all matters in the earth crust
Bahan dalam kerak bumi
C matters that make up the universe.
Bahan yang membentuk alam semesta
D properties, composition, and
structure of matter and the changes
they undergo.
Sifat,komposisi dan struktur bahan dan
perubahan yang dialami oleh bahan ini.
3. The branch of chemistry that studies how
plastics are formed is
Cabang kimia yang mengkaji bagaimana plastic
dihasilkan adalah
A organic chemistry/kimia organik
B polymer chemistry/kimia polimer
C inorganic chemistry/kimia bukan organik
D industrial chemistry/kimia industri
5. Which of the following is wrongly
paired?
Manakah pasangan yang SALAH?
Chemical
Bahan kimia
Uses
Kegunaan
A Sulphur
sulfur
Used as food
colouring
Digunakan sebagai pewarna
makanan
B Aspirin To reduce fever and
pain.
Mengurangkan demam dan
sakit
C Silver
bromide
Argentum bromida
To make photographic
film.
Membuat filem foto
D Sodium
hydroxide
Natrium
hidroksida
Used in the process of
soap making.
Digunakan dalam proses
pembuatan sabun
6. Sodium nitrite is added to burger as a
food
Natrium nitrit ditambah dalam burger sebagai
A Preservative/pengawet
B food enhancer/penyedap makanan
C Colouring/pewarna
D Stabilizer/penstabil
8. Which of the following chemicals is
synthetic?
Manakah bahan kimia berikut adalah
bahan sintetik?
A Helium
B Starch/kanji
C Ammonia
D Sodium chloride/Natrium klorida
9. Aspirin is a medicine used to reduce
fever. It is made up of carbon, hydrogen
and oxygen atoms. Its molecular formula
is COOHC6H4OOCCH3. How many
atoms are there in an aspirin molecule?
Aspirin adalah ubat ubat yang dugunakan untuk
mengurangkan demam. Ia dibina daripada atom-atom
karbon,hydrogen dan oksigen.
Formula molekulnya adalah COOHC6H4OOCCH3.
Berapakah atom-atom yang terkandung didalam satu
molekul aspirin?
A 11
B 19
C 20
D 21
1
Instructions : Question 1 to Question 50 are followed by four options A, B, C and D. Choose the
best option for each question.
Arahan : Soalan 1 hingga 50 adalah soalan empat pilihan jawapan A,B,C dan D. Pilih jawapan yang
paling tepat untuk setiap soalan.

2. 10. A student is required to study the effect
of a quantity of manganese(IV) oxide on
the rate of decomposition of hydrogen
peroxide to water and oxygen according
to the equation:
2H2O2 → 2H2O + O2
The responding variable for the experiment
is
Seorang pelajar dikehendaki menjalankan satu kajian
tentang kesan kuantiti mangan(IV) oksida terhadap
kadar penguraian hydrogen peroksida kepada air dan
oksigen berdasarkan persamaan berikut
2H2O2 → 2H2O + O2
Pembolehubah yang bergerakbalas untuk tindakbalas ini
adalah
A the rate of increase in temperature of
hydrogen peroxide
Kadar pertambahan suhu hydrogen peroksida
B the rate of release of oxygen gas
Kadar pembebasan gas oksigen
C the rate of decrease in mass of
manganese(IV) oxide
kadar pengurangan jisim mangan(IV) oksida
D the rate of increase in concentration
of hydrogen peroxide
Kadar penambahan kepekatan hydrogen
peroksida
11. Which of the following processes does
not involve a chemical reaction?
Manakah prosesp-proses berikut yang tidak
melibatkan tindakbalas kimia
A Photosynthesis/fotosintesis
B Burning of petrol/pembakaran petrol
C Cooking an egg/memasak telur
D Melting of ice/mencairkan ais
12. Polyethene terepthlate(PET) is
manufactured in a petrochemical complex
in Gebeng, Pahang. This product is used to
make
Polietilena tereflat(PET) dihasilkan di kompleks
petrokimia di Gebeng,Pahang. Produk ini digunakan
untuk membuat
A plastic bottles/botol plastik
B Medicine/ubat
C Clothing/pakaian
D Fertilizer/baja
13 An antibiotic drug is used to
Dadah antibiotik digunakan sebagai
A treat mental patients/rawatan untuk
pesakit mental
B treat gastric patients/merawat
pesakit gastric
C kill bacteria/membunuh bacteria
D reduce fever/mengurangkan demam
14. Which of the following is wrongly
paired?
Manakah antara berikut pasangan yang SALAH?
Chemical
Bahan kimia
Uses
Kegunaan
A Sulphuric acid
Asid sulfurik
Electrolyte in
accumulator
Elektrolit dalam
akumulator
B Sodium hydroxide
Natrium hidroksida
To make soap
Untuk membuat sabun
C Silver bromide
Argentum bromida
Food preservative
Pengawet
makanan
D Ammonium
sulphate
Ammonium sulfat
Fertilizer
baja
15. Mass of calcium
chloride added into
ice (gram)
Jisim Kalsium klorida yang
ditambah ke dalam
ais(gram)
Melting point of ice
(o
C)
Takat beku ais
5 -2
10 -4
15 -6
2

3. From the result shown in the table above
what conclusion can you make?
Daripada keputusan dalam jadual ,apakah
kesimpulan yang boleh anda buat?
A The melting point of ice is different.
Takat beku ais adalah berbeza
B The freezing point of ice is
influenced by the mass of sodium
chloride added.
Takat beku ais dipengaruhi oleh jisim kalsium
klorida yang ditambah
C The more sodium chloride is added
to the ice, the lower the freezing
point is.
Semakin banyak kalsium klorida ditambah ke
dalam ais, semakin rendah takat beku ais
D There is a relationship between the
mass of sodium chloride added and
the freezing point of ice.
Terdapat satu hubungan antara jisim kalsium
klorida yang ditambah dengan takat beku ais
16. “Without water iron will not rust”. Which
of the following is correct in carrying out
an experiment to prove the statement
above?
‘Tanpa air besi tidak akan berkarat”
Manakah antara berikut benar untuk menjalankan
eksperimen bagi membuktikan pernyataan di atas?
Manipulated
variable
Pembolehubah
dimanipulasi
Controlled
variable
Pembolehubah yang di
malarkan
A Presence or
absence of water
Kehadiran atau
ketiadaan air
Rusting of iron
Pengaratan besi
B Presence or
absence of water
Kehadiran atau
ketiadaan air
Presence or
absence of air
Kehadiran atau
ketiadaan udara
C Presence or
absence of water
Kehadiran atau
ketiadaan air
Presence of air
Kehadiran udara
D Presence or
absence of air.
Kehadiran atau
ketiadaan udara
Presence of water
Kehadiran air
17. Which of the following substances
contain molecules?
Manakah di antara berikut adalah bahan yang
mengandungi molekul?
A Zinc/zink
B Ethanol/etanol
C Sodium chloride/natrium klorida
D Magnesium oxide/magnesium oksida
18. The boiling point of pentane is 36o
C.
Which of the following statements is
true about the molecules of pentane at
40o
C ?
Takat didih pentane adalah 36o
C.. Manakah antara
berikut benar tentang pentane pada suhu 40o
C ?
A The pentane molecules become
lighter.
Molekul pentane semakin ringan
B The kinetic energy of the pentane
molecules is lower.
Tenaga kinetic pentane semakin rendah
C The distance between pentane
molecules increases.
Jarak di antara molekul pentane semakin
bertambah
D The attraction force of the pentane
molecules becomes stronger.
Daya tarikan di antara molekul pentane semakin
kuat
19. Four balloons are filled with four
different gases. Which balloon will
decrease in size most slowly?
Empat biji belon diisi dengan empat
jenis gas yang berbeza.Belon yang
manakah yang akan berkurang dari segi
saiz paling lambat?
3

4. 20. Which of the following graphs represents
the heating of naphthalene until it boils?
Manakah di antara graf berikut mewakili
pemanasan naftalena sehingga ia
mendidih
21. Which of the diagrams below represents
magnesium oxide?
Manakah rajah di bawah mewakili
magnesium oksida?
22. Which of the diagrams below represents
the metal copper?
Manakah di antara rajah berikut
mewakili logam kuprum?
23. The melting point of a substance is 750o
C
and its boiling point is 1450o
C. Which of
the diagrams below represents the
substance at a temperature of 1300o
C?
Takat lebur bahan ialah 750o
C dan takat
didih bahan ini ialah 1450o
C. Manakah
rajah berikut mewakili bahan pada suhu
1300o
C?
4

5. 24. Which of the following set of substances
consists of all molecules?
Manakah di antara berikut bahan yang
terdiri daripada molekul sahaja?
A Iodine, glucose, ammonia, and
calcium carbonate
B Glucose, sodium hydroxide,
ammonia and carbon dioxide
C Water, sulphur dioxide, ammonium
chloride and carbon monoxide
D Ammonia, carbon dioxide, glucose
and ethanol
25. Which of the following set is correct?
Manakah antara berikut BENAR?
The scientist who discovers
Saintis yang menemui
electron proton neutron
A Ernest
Rutherford
J.J Thomson James
Chadwic
k
B J.J Thomson Ernest
Rutherford
James
Chadwic
k
C J.J Thomson Ernest
Rutherford
Neils
Bohr
D J.J Thomson James
Chadwick
Ernest
Rutherfor
d
26. The scientist who proposed that the atom
consists of electrons orbiting around the
nucleus is
Saintis yang mencadangkan atom terdiri
daripada electron yang mengorbit
mengeliling nucleus ialah
A J.J Thomson
B Ernest Rutherford
C Neils Bohr
D James Chadwick
27. How many protons and neutrons are
there in one chlorine atom with the
nucleon number 37?
Berapa banyakkah proton dan neutron
yang ada dalam satu atom klorin yang
mempunyai nombor nucleon 37?
protons neutrons
A 17 18
B 17 19
C 17 20
D 17 37
28. The electron configuration of an element
X is 2.8.18.3. In which Group and
Period of the Periodic table does X
belong to?
Unsur X mempunyai konfigurasi
electron 2.8.18.3. Di mana kumpulan
dan kala manakah unsure X diletakkan
Group/kumpulan Period/kala
A 13 4
B 4 13
C 13 3
D 3 13
29. Isotopes are different atoms with the
same number of
Isotop adalah atom yang berlainan yang
mempunyai persamaan bilangan
A protons, electrons and neutrons.
Proton,electron dan neutron
B electrons but different number of
protons.
Electron tetapi berbeza bilangan
proton
C protons but different number of
neutrons.
Proton tetapi berbeza bilangan
neutron
D protons and neutrons but different
number of electrons.
Proton dan neutron tetapi berbeza
bilangan elektron
5

6. 30. Which of the following elements have
the same number of valence electrons?
19
9 ;
27
13 ;
35
17 ;
39
19 ;
40
20
Manakah di antara unsur berikut
mempunyai electron valens yang sama
19
9 ;
27
13 ;
35
17 ;
39
19 ;
40
20
A W and Z
B X and Y
C V and Y
D V and X
31. Which of the following lists are the
electron arrangements of all non-metals?
Manakah yang disenaraikan di bawah
adalah susunan electron bukan logam
A 2 2.5 2.8.3
B 2.1 2.7 2.8.6
C 2.6 2.7 2.8.5
D 2.1 2.8.2 2.8.3
32. The nucleon number of sodium atom is
23 and its proton number is 11. It
follows that a sodium atom has
Nombor nucleon atom sodium ialah 23
dan nombor proton nya 11. Ini
menunjukkan atom sodium mempunyai
A 11 neutrons
B 11 electrons
C 12 protons
D 23 neutrons
34. What is the atomic structure of X3-
ion in
which X has a proton number of 15 and a
nucleon number of 31?
Manakah struktur atom untuk ion X3-
dimana X mempunyai nombor proton 15
dan nombor nucleon 31?
Protons Electrons Neutrons
A 15 18 16
B 15 15 16
C 15 18 31
D 12 15 16
35. Which of the following elements has the
greatest number of valence electron?
Manakah diantara unsure beriku
mempunyai electron valens yang
terbesar?
A Helium
B Potassium
C Fluorine
D Sulphur
36.
Which term describes the particles X
and Y as shown above?
Manakah istilah yang menghuraikan
zarah X dan Y seperti rajah di atas?
A Allotropes/alotrops
B Isomers/isomers
C Isotopes/isotops
D Ions/ion
6
V XW Y Z
V XW Y Z

7. 37. An element has two isotopes, which are
represented by 127 X and 131X. How
does 127 X differ from 131X?
Satu unsur dengan dua isotop diwakili oleh 127
X dan 131X. Bagaimanakah 127 X berbeza
dengan 131X?
A It has 3 less neutrons and 3 less
electrons.
Ia kekurangan neutron sebanyak 3
dan kekurangan elektron sebanyak 3
B It has 3 less neutrons and no fewer
electrons.
Ia kekurangan 3 neutron tetapi tiada
perubahan dalam elektron
C It has 3 less protons and 3 less
electrons.
Ia kekurangan 3 proton dan
kekurangan 3 elektron
D It has 3 less protons and no fewer
electrons.
Ia kekurangan 3 proton tetapi tiada
perubahan dalam elektron
38. 1.02 g of element X reacted with 0.8 g of
oxygen to form an oxide with the
empirical formula X2O5. Determine the
relative atomic mass of element X.
(O=16).
1.02 g unsur X bertindakbalas dengan
0.8 g oksigen membentuk satu oksida
dengan formula empirik X2O5. Tentukan
jisim atom relatif unsur X. (O=16).
A 31
B 51
C 55
D 56
39. Calculate the percentage mass by weight
of nitrogen in urea, CO(NH2)2.
(RAM H=1, C=12, N=14, O=16)
Kirakan peratus jisim terhadap berat
nitrogen dalam urea , CO(NH2)2.
(JAR H=1, C=12, N=14, O=16)
A 10.6 %
B 23.3 %
C 30.4 %
D 46.7 %
40. Veronal is a barbiturate used to induce
sleep in psychiatric patients. The
molecular formula of veronal is
C4H2N2O3(C2H5)2. Determine the relative
molecular mass of veronal. (H=1,
C=12, N=14, O=16)
Veronal adalah barbiturat digunakan
untuk menenangkan pesakit
psichiatrik.Formula molekul veronal
ialah C4H2N2O3(C2H5)2. Tentukan jisim
relatif molekul veronal.
(H=1, C=12, N=14, O=16)
A 160
B 184
C 186
D 196
41. Which of the following has the most
number of molecules?
(H=1, C=12, O=16, Br=80)
Manakah di antara berikut mempunyai
bilangan molekul yang paling besar?
(H=1, C=12, O=16, Br=80)
A 33.6 g of water, H2O
B 4.0 g of methane, CH4
C 9.2 g of ethanol, C2H5OH
D 13.2 g of urea, CO(NH2)2
7

8. 42. 10 g of calcium carbonate is added into
excess hydrochloric acid. Determine the
volume of carbon dioxide gas evolved at
room temperature. (C=12, O=16, ca=40,
1 mole of gas occupies a volume of 24
dm3
at r.t.p)
10 g kalsium karbonat ditambah ke
dalam asid hidroklorik yang berlebihan.
Tentukan isipadu gag karbon dioksida
yang dibebaskan pada suhu bilik..
(C=12, O=16, ca=40, 1 mol gas
menempati ruang sebanyak 24 dm3
at
suhu bilik)
A 0.9 dm3
B 1.2 dm3
C 1.8 dm3
D 2.4 dm
43. Which of the following chemical
equations is balanced?
Manakah antara berikut persamaan
kimia yang seimbang?
A 2NH4Cl + Ca(OH)2 → CaCl2
+ 2NH3 + H2O
B 2Cu(NO3)2
→heat 2CuO +
4NO2 + O2
C KI + Pb(NO3)2 → PbI2 + KNO3
D CuCO3 + HNO3 → Cu(NO3)2
+ CO2 + H2O
44. Allicin is a compound that gives garlic
its characteristic odour. It contains 44.4
% C, 6.21 % H, 9.86 % O and 39.51 %
S. Determine the empirical formula of
allicin. (H=1, C=12, O=16, S=32)
Allicin adalah satu sebatian yang
memberikan bau bawang putih. Ia
mengandungi 44.4 % C, 6.21 % H, 9.86
% O and 39.51 % S. Tentukan formula
empirik allicin.
A C6H10OS2
B C6H9OS2
C C5H10OS2
D C5H9OS2
45. Oxygen mask contains potassium
superoxide, K2O which reacts with water
and carbon dioxide from exhaled air to
produce oxygen.
4K2O + 2H2O + 4CO2 → 4KHCO3 +
3O2.
Calculate the volume of oxygen gas at
room temperature that can be produced
from 70.5 g of potassium superoxide.
(O=16, K=39, 1 mole of gas occupies a
volume of 24 dm3
at r.t.p).
Topeng oksigan mempunyai kalium
superoksida, K2O yang bertindakbalas
dengan air dan karbon dioksida
daripada udara hembusan untuk
meenghasilkan oksigen.
4K2O + 2H2O + 4CO2 → 4KHCO3 +
3O2.
Kirakan isipadu gas oksigen yang
terhasil pada suhu bilik daripada 70.5 g
kalium superoksida
(O=16, K=39, 1 mol gas menempati
ruang sebanyak 24 dm3
pada suhu
bilik).
A 18 dm3
8

9. B 12 dm3
C 9 dm3
D 6 dm3
46. A solution containing one mole of
sodium hydroxide is added to a
solution containing one mole of
chromium(III) chloride. The
equation for the reaction is shown
below:
CrCl3(aq) + 3NaOH(aq) →
Cr(OH)3(s) + 3NaCl(aq)
What is the number of mole of
chromium(III) hydroxide
precipitated?
Satu larutan mengandungi satu mol
natrium hidroksida ditambahkan
kepada satu larutan mengandungi
satu mol chromium(III) chloride. Di
bawah merupakan tindakbalas yang
berlaku
CrCl3(aq) + 3NaOH(aq) →
Cr(OH)3(s) + 3NaCl(aq)
Berapakah bilangan mol chromium
(III) hidroksida yang termendak?
A
3
1
B
3
2
C
2
1
D 1
47. The chemist who arranged elements in
the Periodic Table according to
increasing proton number is
Ahli Sains yang menyusun unsure di
dalam Jadual Berkala mengikut
pertambahan nombor atom ialah
A Dmitri Mendeleev
B Henry Moseley
C Lothar Meyer
D Johann Dobereiner
48. The chemist who leave gaps in the
Periodic Table for elements yet to be
discovered is
Ahli sains yang meninggalkan tapak
kosong di dalam Jadual Berkala bagi
unsure yang belum ditemui ialah
A John Newlands
B Henry Moseley
C Dmitri Mendeleev
D Johann Dobereiner
49. Which of the following sets of elements
consist of all transition metals?
Manakah antara berikut terdiri
daripada Unsur Logam Peralihan?
A Potassium, Zinc and Chromium
B Cobalt, Vanadium and Lithium
C Copper, Iron and Magnesium
D Titanium, Chromium and Nickel
50. Which of the following sets of elements
consist of all non metals?
Manakah antara set unsure terdiri
daripada bukan logam sahaja?
A Chlorine, Nitrogen and Sulphur
B Oxygen, Hydrogen and Lithium
C Phosphorus, Lead and Carbon
D Carbon, Iodine and calcium
9

10. B 12 dm3
C 9 dm3
D 6 dm3
46. A solution containing one mole of
sodium hydroxide is added to a
solution containing one mole of
chromium(III) chloride. The
equation for the reaction is shown
below:
CrCl3(aq) + 3NaOH(aq) →
Cr(OH)3(s) + 3NaCl(aq)
What is the number of mole of
chromium(III) hydroxide
precipitated?
Satu larutan mengandungi satu mol
natrium hidroksida ditambahkan
kepada satu larutan mengandungi
satu mol chromium(III) chloride. Di
bawah merupakan tindakbalas yang
berlaku
CrCl3(aq) + 3NaOH(aq) →
Cr(OH)3(s) + 3NaCl(aq)
Berapakah bilangan mol chromium
(III) hidroksida yang termendak?
A
3
1
B
3
2
C
2
1
D 1
47. The chemist who arranged elements in
the Periodic Table according to
increasing proton number is
Ahli Sains yang menyusun unsure di
dalam Jadual Berkala mengikut
pertambahan nombor atom ialah
A Dmitri Mendeleev
B Henry Moseley
C Lothar Meyer
D Johann Dobereiner
48. The chemist who leave gaps in the
Periodic Table for elements yet to be
discovered is
Ahli sains yang meninggalkan tapak
kosong di dalam Jadual Berkala bagi
unsure yang belum ditemui ialah
A John Newlands
B Henry Moseley
C Dmitri Mendeleev
D Johann Dobereiner
49. Which of the following sets of elements
consist of all transition metals?
Manakah antara berikut terdiri
daripada Unsur Logam Peralihan?
A Potassium, Zinc and Chromium
B Cobalt, Vanadium and Lithium
C Copper, Iron and Magnesium
D Titanium, Chromium and Nickel
50. Which of the following sets of elements
consist of all non metals?
Manakah antara set unsure terdiri
daripada bukan logam sahaja?
A Chlorine, Nitrogen and Sulphur
B Oxygen, Hydrogen and Lithium
C Phosphorus, Lead and Carbon
D Carbon, Iodine and calcium
9