CBSE Class 11 Chemistry Hydrogen Quiz 1

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1. Pure HO is :

A Semi – solid B Liquid C Solid D Gas

2. The freezing point of heavy water is

A 0°C B 3. 8°C C 4°C D 1°C

3. HO used in rocket has the concentration:

A 50% B 90% C 70% D 30%

4. Which of the following hydrides are generally nonstochiometric in nature?

A Ionic Hydrides B Molecular Hydrides C Interstitial Hydrides D All of the Above.

5. What is the product of the reaction of HO with Cl?

A O+ HOCl B HCl + O C HO + HCl D HCl + H

6. Water shows anomalous behavior between

A 0 to 4°C B 0 to 5°C C 0 to -4°C D 4 to 0°C

7. Which of the following statements regarding hydrogen peroxide is/ are incorrect?

A As aerating agent in production of sponge rubber B As an antichlor C For restoring white colour of blackened lead painting D All of the above

8. Atomic hydrogen is called

A Protium B Deutrium C Nascent Hydrogen D Tritium

9. The volume strength of 1. 5 NHO

A 4. 8 B 5. 2 C 8. 8 D 8. 4

10. Water gas is mixture of hydrogen H and

A CO B CO C Cl D SO

Practice more on Hydrogen

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