Question

Identify the substance which matches the description given below:
1. White crystalline substance which sublimes on heating.
2. The gas which turns lime water milky but has no effect on potassium dichromate paper.
3. The metal that cannot displace hydrogen from dilute hydrochloric acid.

Answer 1

Answer:

1. Ammonium chloride

2.carbon dioxide

3. mercury

Answer 2

1. ammonium chloride and camphor

2. carbon dioxide

3.mercury