General Knowledge - 4

1) The source of sun’s radium energy is _______

A: nuclear fusion

B: nuclear fission

C: cosmic radiations

Ans: nuclear fusion

2) The alcohol used in power alcohol is_________

A: ethyl alcohol

B: methyl alcohol

C: ethylene glycol

Ans: ethyl alcohol

3) Which variety of glass is heat resistant?

A: bottle glass

B: flint glass

C: pyrex glass

Ans: pyrex glass

4) Nail polish remover contains

A: acetone

B: benzene

C: acetic acid

Ans: acetone

5) Bleaching action of chlorine is by ___

A: oxidation

B: reduction

C: decomposition

Ans: decomposition