SSC CGL 2015: GENERAL SCIENCE QUIZ

1. Washing soda is the common name of —

(A) Calcium Carbonate

(B) Calcium Bi-Carbonate

(C) Sodium Carbonate

(D) Sodium Bi-Carbonate

2. The filament of electric bulb is made of —

(A) Iron

(B) Nichrome

(C) Tungsten

(D) Graphite

3. Bleaching powder is made from —

(A) Sulphur dioxide and gypsum

(B) Chlorine and Charcoal

(C) Soda ash and lime

(D) Lime and Chlorine

4. The two elements that are frequently used for making transistors are —

(A) Boron and Aluminium

(B) Silicon and Germenium

(C) Iridium and Tungsten

(D) Niobium and Columbium

5. Which of the following gas is not known as green house gas ?

(A) Methane

(B) Carbon dioxide

(C) Nitrous oxide

(D) CFC

6. Which of the following is not a neutral oxide ?

(A) Carbon Monoxide

(B) Sulphur Dioxide

(C) Water

(D) Nitric Oxide

7. Which of the following is used in making smoke bombs ?

(A) Sulphur

(B) Phosphorus

(C) Hydrogen

(D) Carbon

8. Caustic Soda is —

(A) Nacl

(B) Na2CO3

(C) NaOH

(D) NaHCO3

9. Chemical formula of Water glass is —

(A) Na2SiO3

(B) Al2O3

(C) NaAlO2

(D) CaSiO3

10. Which of the following is not a bleaching agent?

(A) Sulpher di-oxide

(B) Carbon di-oxide

(C) Sodium hypochlorite

(D) Chlorine

ANSWER KEY:
1 - (C)
2 - (C)
3 - (D)
4 - (B)
5 - (C)
6 - (B)
7 - (B)
8 - (C)
9 - (A)
10- (B)