Ncert Exercises & Solutions

Match the terms in Column I with the relevant item in Column II.

Column I	Column II
A. Atomic hydrogen	1. Atomic reactor
B. Lithium aluminum hydride is used as	2. Polar molecule
C. Hydrogen chloride is a	3. Recombines on metal surface to generate high temperature
D. Heavy water is used in	4. Reducing agent

Codes

A B C D

1. 3 1 2 4

2. 3 4 2 1

3. 1 4 3 2

4. 4 1 3 2

Hint: Heavy water is used in an atomic reactor as a moderator

A. Electrolysis of water produce hydrogen and oxygen.

B. Lithium aluminum hydride is used as a reducing agent.

C. Hydrogen chloride is a polar molecule.

D. Heavy water is used in an atomic reactor as a moderator.

E. Atomic hydrogen recombines on the metal surface to generate high temperature