GK Quiz on Science: Chemistry Set XVII

GK Quiz on Science: Chemistry Set XVII, in this set you will find repository of 10 Multiple Choice Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.

1. Which of the following metal is the heaviest?

A. Silver

B. Copper  

C. Gold

D. Lead

2. Which of the following metal is liquid at ordinary temperature?

A. Lead

B. Mercury

C. Nickel

D. Tin

3. The substance employed and frequently used in the fluorescent tube is:

A. Sodium oxide and argon

B. Sodium vapour and neon

C. Mercury vapour and argon

D. Mercury oxide and argon

4. Which of the following metal is used in the accumulator cell?

A. Copper

B. Lead

C. Aluminium

D. Zinc

5. Which of the following metal is the hardest one?

A. Gold

B. Iron

C. Platinum

D. Lead

6. The gas emancipating through paddy field is :

A. Ethane

B. Methane

C. Nitrogen

D. All of these

7. Which of the following is the heaviest metal?

A. Copper

B. Uranium

C. Aluminium

D. Silver

8. The colours of the fire crackers are extracted from the elements of the salt of:

A. Zn and S

B. K and Hg

C. Sr and Ba

D. Cr and Ni

9. The maximum density of the water exists at :

A. 100°C

B. + 4°C

C. O°C

D. -4°C

10. The boiling point and freezing point of the water on mixing edible salt would:

A. Increase

B. Increase and then decrease

C. Decrease

D. Decrease and then increase