Science Quiz Based on NCERT for SSC CPO 2016

1. Which of the following is the best conductor of electricity?

A.Copper

B.Mica

C.Zinc

D.Silver

2. Most soluble in water is —

A.Camphor

B.Sugar

C.Sulphur

D.Common Salt

3. Bromine is —

A.colourless gas insoluble in water

B.A highly inflammable gas

C.A Black solid.

D.A red liquid.

4. The metal used in storage batteries —

A.Iron

B.Copper

C.Lead

D.Zinc

5. Water has maximum density at —

A.–4°C

B.0°C

C.4°C

D.100°C

6. The chemical name of Urea is —

A.Aneurin

B.Chloroetane

C.Carbamide

D.None of these

7. Permanent hardness of water can be removed by adding —

A.Potassium Permanganate

B.Chlorine

C.Bleaching Powder

D.Washing Soda

8. The formula of Plaster of Paris is —

A.CaSO4

B.CaSO4, 2H2O

C.2CaSO4, 4H2O

D.CaSO4.1/2H2O

9. Which of the following substance is a bad conductor of electricity but a good conductor of heat?

A.Asbestos

B.Celluloid

C.Purspecks

D.Mica

10. Carborandum is —

A.Silicon Dioxide

B.Silicon Carbide

C.Silicon Nitride

D.Silicon Phosphide

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