Question

Identify the gas evolved and write a confirmatory test for it.

1. When ammonium sulphate is heated with calcium hydroxide.

2. When KNO; crystals are heated in a test tube. 3. When calcium carbonate reacts with dil. HCI

4. When sodium bisulphite reacts with dil. HSO,

5 Mg metal reacts with dil. HCl.​

Answer 1

Answer:

2 When KNO; crystals are heated in a test tube.