Chapter 1Introduction to chemistry(Tungsten is not illuminating until givenvoltage; you are not beautiful until skilled)Ch...
 Definitions1. Chemistry: - It is the branch of science, whichdeals with the properties, composition, and thestructure of...
9. Organic compounds:- Those compoundswhich contains carbon and hydrogen covalentlybounded with each other are called orga...
16. Nuclear Chemistry: - The scientific study ofthe changes occurring in the nuclei of atoms,accompanied by the emission o...
 Multiple Choice Questions1. Chemistry is the study of:a) matter b) energyc) both a & b d) lifee) N.O.T2. The Muslim peri...
8. Cholera, Typhoid, and Desentry are thedangerous disease transmitted through theimpure water drinking.a) true b) false9....
17. Hydrocarbons and their derivatives are studiedin:18. It is the study of polymerization19. It deals with the determinat...
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Definitions and MCQs of Ninth class chemistry (introduction to chemistry)

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Definitions and MCQs of Ninth class chemistry (introduction to chemistry)

  1. 1. Chapter 1Introduction to chemistry(Tungsten is not illuminating until givenvoltage; you are not beautiful until skilled)Chemistry MCQs Dr. Sajid Ali Talpur
  2. 2.  Definitions1. Chemistry: - It is the branch of science, whichdeals with the properties, composition, and thestructure of matter. It also deals with thechanges in matter and the principles, whichgovern these changes. OR“The scientific study of matter is calledchemistry”2. Matter: - Anything having mass and volume iscalled matter.3. Mass: - The quantity of matter contained in abody is called mass.4. Volume: - Volume is the quantity of threedimensional space occupied by the matter. ORVolume (also called capacity) is quantificationof how much space an object occupies.5. Space: - The free area between two materialobjects is called space.6. Hypothesis: - It is the intelligent guess of thescientist about any phenomenon.7. Phenomenon: - Any observable event is calledphenomenon.8. Theory: -The scientifically acceptable idea orprinciple to explain a phenomenon is calledtheory.Chemistry MCQs Dr. Sajid Ali Talpur
  3. 3. 9. Organic compounds:- Those compoundswhich contains carbon and hydrogen covalentlybounded with each other are called organiccompounds10. Physical Chemistry: - The scientific study ofthe laws and the principles governing thecombination of atoms and molecules inchemical reactions is called Physical Chemistry.11. Organic Chemistry: - The scientific study oforganic compounds is called organic chemistry.12. Inorganic Chemistry: - The scientific study ofinorganic compounds is called inorganicchemistry.13. Analytical Chemistry: - The scientific study ofkind, quantity and quality of variouscomponents in a given substance is calledanalytical chemistry.14. Biochemistry: - The scientific study of thecompounds and their reactions within the livingorganisms is called biochemistry.15. Industrial Chemistry: - The scientific study ofthe chemical industries and the syntheticproducts like glass, cement, soap etc over thereis called industrial chemistry.Chemistry MCQs Dr. Sajid Ali Talpur
  4. 4. 16. Nuclear Chemistry: - The scientific study ofthe changes occurring in the nuclei of atoms,accompanied by the emission of invisibleradiations is called nuclear chemistry.17. Environmental Chemistry: - The scientificstudy of interaction of chemical materials andtheir effect on the environment is calledenvironmental chemistry18. Polymeric Chemistry: - The scientific study ofpolymerization and the products obtainedthrough the process of polymerization such asplastics, synthetic fibers, papers etc is calledpolymeric chemistry.Chemistry MCQs Dr. Sajid Ali Talpur
  5. 5.  Multiple Choice Questions1. Chemistry is the study of:a) matter b) energyc) both a & b d) lifee) N.O.T2. The Muslim period ranges from:a) 347 – 428 B.C b) 600 – 1600 A.Dc) 600 – 1000 A.D d) 1600 to today3. Known as the father of Al-Chemy.a) Jabir bin Hayan b) Al Razic) Ibne Sina d) Al Beruni4. Known as the father of Modern Chemistrya) Jabir bin Hayan b) Robert Boylec) Mendeleef d) Cavendish5. First used opium as anaesthesia.a) Jabir Bin Hayan b) Al Razic) Ibne Sina d) Al Beruni6. ____,____,and____discovered oxygen, chlorineand hydrogen respectively.a) J. Black, J.Priesly, Scheeleb) Scheele, J. Priesly, Cavendishc) Cavendish, Lavoiser, Scheeled) J.Priesly, Scheele, Cavendish7. Introduced first the idea of symbols:a) Gay Lussac b) Mendeleefc) Faraday d) J.J. BerziliusChemistry MCQs Dr. Sajid Ali Talpur
  6. 6. 8. Cholera, Typhoid, and Desentry are thedangerous disease transmitted through theimpure water drinking.a) true b) false9. Al Razi divided chemical substances on thebasis of living and non-living origin.a) true b) false10. Biochemistry is the basis of medical sciences.a) true b) false11. PVC stands for poly vinyl carbona) true b) false12. Fluorine is the best disinfectant:a) true b) false13. Periodic arrangement is the result ofMendeleef’s work:a) true b) false Questions 14 – 19 Select from the terms below:a) Organic Chemistry b) Inorganic chemistryc) Biochemistry d) Analytical Chemistrye) N.O.T14. Wood is studied in:15. Blood, urine, proteins are studied in:16. Iron is studied in:Chemistry MCQs Dr. Sajid Ali Talpur
  7. 7. 17. Hydrocarbons and their derivatives are studiedin:18. It is the study of polymerization19. It deals with the determination of kind, qualityand quantity of various components in a givensubstance.20. A wise guess of scientists is called hypothesisa) true b) falseAnswer Key1 A 2 C 3 A4 B 5 B 6 D7 B 8 A 9 A10 A 11 B 12 B13 A 14 A 15 C16 B 17 A 18 E19 D 20 AChemistry MCQs Dr. Sajid Ali Talpur

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