Who invented the bulb?

A. Thomas Edison.

Which type of fire, extinguisher uses for petroleum fire?

A. Liquid type

B. Solid acid type

C. Foam Type

D. Power Type

Hydrogen was discovered by?

A. Henry Cavendish.

Which part of Human body produces bile?

A. Liver.

“The Law Of Inertia’’ is also known as?

A. First Law Of Motion OR Newton’s First Law.

Which gas is used in refrigerators to cool things?

A. Ammonia.

CNG stands for?

A. Compressed Natural Gas.