Chemistry MCQ’s Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. MCQs are taken from Caravan Comprehensive book. These Multiple Choice Questions of Chemistry are posted here for preparation of Job tests and Entry tests like MCAT and ECAT etc.
1. Chemically soap is?
(a) Base
(b) Acid
(c) Salt
(d) Hydrocarbon
2. Lipids are______?
(a) Long chain fatty acid esters
(b) Long chain sulphonic acid esters
(c) Polymeric hydrocarbons
(d) Polymeric aldehydes
3. Digestion of fat in intestine is aided by_______?
(a) Diffusion
(b) Protection
(c) Peptization
(d) Emulsification
4. Firdous Al Hikmat Fe Ilmul Kemia was written by______?
(a) Alberuni
(b) Jabir bin Haiyan
(c) Khalid bin Yazeed
(d) Bu-Ali-Sina
5. Ammonia was obtained from urine by ________?
(a) Aljahiz
(b) Wohler
(c) Jabir bin Haiyan
(d) Al-Beruni
6. Madam Curie is famous for his work in the field of________?
(a) Biochemistry
(b) Nuclear Chemistry
(c) Analytical Chemistry
(d) Organic Chemistry
7. Who was first to prepare sulphuric acid?
(a) Aristotle
(b) Dalton
(c) Bohr
(d) Jabir Bin Hayan
8. Dalton’s atomic theory gave the concept of _________?
(a) Valency
(b) Electrons
(c) Radioactivity
(d) Ionization
9. When radioactive rays are passed through air or any gas, they cause it to________?
(a) Ionize
(b) Evaporate
(c) Freeze
(d) Boil
10. The elements in the first period of the periodic table are________?
(a) Hydrogen and helium
(b) Hydrogen, helium, nitrogen and oxygen
(c) Hydrogen, helium and carbon
(d) Hydrogen, nitrogen and oxygen
11. The reason for chlorinating water is___________?
(a) To propagate germs
(b) To add taste
(c) To add minerals
(d) To kill germs
12. Cooling of vapors of some compounds change them directly into solid state. This phenomenon is called_________?
(a) Sublimation
(b) Evaporation
(c) Condensation
(d) Crystallization
13. Carbonated drinks are examples of_________?
(a) Gas in gas
(b) Gas in water
(c) Gas in solid
(d) Solid in liquid
14. Smoke is a solution of_________?
(a) Solid in solid
(b) Solid in liquid
(c) Solid in gas
(d) Gas in gas
15. Fog is an example of__________?
(a) Gas in Gas
(b) Gas in liquid
(c) Liquid in gas
(d) Liquid in liquid
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