CBSE Class 11 Chemistry Hydrogen Quiz 2

1. Hydrogen has isotopes

A 2 B 3 C 4 D 5

2. The freezing point of heavy water is

A 0°C B 3. 8°C C 4°C D 1°C

3. Pure HO is:

A Semi – solid B Liquid C Solid D Gas

4. _________________ on water decolourises HO

A O B Acidic KMnO solution C Black Suspension of Lead Sulphide(PbS) D None of these.

5. What is gram equivalent weight of hydrogen peroxide as reductant?

A 100 B 125 C 152 D None of the Above

6. Hydrogen is the most abundant element on earth after______.

A Oxygen B Carbon C Sulphur D None of the Above

7. Atomic hydrogen is called

A Protium B Deutrium C Nascent Hydrogen D Tritium

8. Hydrogen is a good __________ agent.

A Oxidizing B Reducing C Acidic D Basic

9. The volume of 10 volume HO required to liberate 500 ml of O at S. T. P. is :

A 25 ml B 50 ml C 100 ml D 125 ml

10. Hydrogen is most __________ element in the universe.

A Abundant B None C Both D Consumer