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:

1)Alkalis reacts with ammonium salts on heating to liberate ammonia gas.

Ca(OH)2+2NH4Cl→CaCl2+2NH3+H2O