General Awareness MCQ

21-Sodium metal is stored in

(A) Alcohol

(B) Kerosene

(C) Petrol

(D) Ether

 

22-Fuel with highest calorific value is

(A) Methane

(B) Biogas

(C) Hydrogen

(D) Petrol

 

23-Following type of glass is used in making lenses and prism

(A) soft glass

(B) pyrex glass

(C) jena glass

(D) flint glass

 

24-The following metal occurs in free state

(A) Iron

(B) Aluminium

(C) Magnesium

(D) Platinum

 

25-Which one of the following metals forms an amalgam with other metals?

(A) Lead

(B) Tin

(C) Zinc

(D) Mercury

 

26-Follwing is the best conductor of electricity

(A) Seawater

(B) Boiled water

(C) Distilled water

(D) Ordinary water

 

27-Who invented electric battery?

(A) Thomas Alva Edison

(B) Issac Newton

(C) Alessandro Volta

(D) Michael Faraday

 

28-Following non-metal is liquid in room temperature

(A) Helium

(B) Bromine

(C) Chlorine

(D) Phosphorous

 

29-Following is the most abundant metal in the earth’s crust

(A) Aluminium

(B) Copper

(C) Iron

(D) Nickel

 

30-Choose the incorrect mineral-ore pair.

(A) Aluminium – Bauxite

(B) Tungsten – Wolframite

(C) Zinc – Sylvanite

(D) Copper – Chalcopyrite

 

ANSWERS:

21-(B), 22-(C), 23-(D), 24-(D), 25-(D), 26-(A), 27-(C), 28-(B), 29-(A), 30-(C)