Carbonates

Q.

Carbon dioxide gas is liberated when $HCl$ acid is added to:

1. Lead Nitrate.

2. Sodium Nitrate.

3. Silver Chloride.

4. Calcium Carbonate.

Q.

A solution reacts with crushed egg-shells to give a gas that turns lime water milky.

The solution contains:

1. $LiCl$

2. $NaCl$

3. $HCl$

4. $KCl$

Q.

What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.

Q.

Give three distinct tests [apart from using an indicator] you would carry out with solution of HC1 to illustrate the typical properties of an acid.

Q.

How will the action of dilute hydrochloric acid enable you to distinguish between the following :
(a) Sodium carbonate and sodium sulphite
(b) Sodium thiosulphate and sodium sulphite.