FCI 2015 General Science Quiz 2

1. The gas used to extinguish fire is —

(A) Neon

(B) Nitrogen

(C) Carbon dioxide

(D) Carbon Monoxide

2. In which of the following activities Silicon Carbide is used ?

(A) Making cement and glass

(B) Disinfecting water and ponds

(C) Making castes for statues

(D) Cutting very hard substances

3. The element common to all acids is —

(A) Oxygen

(B) Hydrogen

(C) Nitrogen

(D) Sulphur

4. Gobar gas contains mainly —

(A) Methane

(B) Carbon dioxide

(C) Butane

(D) Carbon Monoxide

5. The most malleable metal is —

(A) Silver

(B) Gold

(C) Aluminium

(D) Sodium

6. Tetraethyl lead is used as —

(A) Mosquito repellent

(B) Pain Killer

(C) Fire extinguisher

(D) Petrol additive

7. Which of the following is used in beauty parlours for hair setting ?

(A) Phosphorus

(B) Sulphur

(C) Chlorine

(D) Silicon

8. Which of the following is a non-metal that remains liquid in room temperature ?

(A) Bromine

(B) Chlorine

(C) Helium

(D) Phosphorus

9. From which mineral is radium obtained —

(A) Limestone

(B) Haematitie

(C) Pitchblende

(D) Rutile

10. What is laughing gas ?

(A) Carbon dioxide

(B) Sulphur dioxide

(C) Nitrogen Dioxide

(D) Nitrous oxide

1. (C) 2. (D) 3. (B) 4. (A) 5. (B) 6. (D) 7. (B) 8. (A) 9. (C) 10. (D)