Question

Name the following :
1. The gas obtained by treating metals with hydrochloric acid.
2. The gas obtained by treating ferrous sulphide with hydrochloric acid.
3. The chemical which dissolves gold.

Answer 1

Bonjour!!

1. Hydrogen gas (H2).
2. Hydrogen & sulphur gas.
3. Aqua regia

Answer 2

1. Hydrogen gas
2. SO2 and SO3
3. Aqua Regia