Chemistry Objective Type Questions and Answers for SSC

1. Who is regarded as father of modern chemistry ?

A. Ruterford

B. Einstein

C. Lavoisier

D. C.V. Raman

Answer : C

2. The term PVC used in the plastic industry stands for

A. polyvinyl chloride

B. polyvinyl carbobate

C. phosphor vanadiu chloride

D. phosphavinyl chloride

Answer : A

3. What among following is used to produce artificial rain ?

A. copper oxide

B. carbon monoxide

C. silver iodide

D. silver nitrate

Answer : C

4. What nucleus of atom contains ?

A. protons

B. electrons

C. electrons and protons

D. protons and neutrons

Answer : D

5. Human bone does not contain

A. calcium

B. carbon

C. oxygen

D. phosphorous

Answer : C

6. Air contains maximum amount of

A. oxygen

B. nitrogen

C. hydrogen

D. carbon dioxide

Answer : B

7. Oil of vitriol is

A. nitric acid

B. sulphuric acid

C. hydrochloric acid

D. phosphoric acid

Answer : B

8. Which metal is heaviest ?

A. osmium

B. mercury

C. iron

D. nickle

Answer : B

9. Who proposed first atomic theory ?

A. E.Rutherford

B. De Broglie

C. John Dalton

D. D.I.Mendeleef

Answer : C

10. Bleaching action of chlorine is by

A. decomposition

B. hydrolysis

C. reduction

D. oxidation