Reaction of Sulphides and Sulphites with Dil. Sulphuric Acid

Q.

Write the balanced chemical equation for the following:

Sodium thiosulphate is reacted with dilute Hydrochloric acid.

Q. Sulphuric acid has the highest importance in the chemical industry. Why?

Q.

Write the balanced chemical equation for the following:

Calcium bicarbonate reacts with dilute Hydrochloric acid.

Q.

Give the odour of the gas evolved and name the gas produced when sodium sulphide is added to a solution of HCI in water.

Q.

What happens when a glass rod moistened with concentrated HCl is placed in the gas which contain ammonium chloride and sodium hydroxide?

Q.

Write the balanced chemical equation for the following action of dilute hydrochloric acid on sodium sulphide.

Q. Which among the following acids can be used in the making of fertilizers?

1. 
2. 
3. 
4. 

Q.

Give balanced equation of concentrated hydrochloric acid and potassium permanganate solution?

Q.

Write the balanced chemical eqaution for the following:

dilute Nitric acid and Copper carbonate.

Q.

Write balanced chemical equation for which of the following-

Action of concentrated sulphuric acid on sulphur

Q.

Give a balanced chemical reaction for each of the following
Action of conc. nitric acid on sulphur

Q.

6. Write fully balanced equations for the following:

(c) ${\mathrm{SO}}_2+{\mathrm{H}}_2\mathrm{O}\to$

Q.

An important fertilizer produced by sulphuric acid industrially is :

1. Trinitrotoluene

2. Ferrous sulphate

3. Ammonium sulphate

4. Sodium acetate

Q. Ammonia is major component of

1. Organic Acids

2. Fertilizers

3. Mineral acids

4. Acid rain

Q.

Ammonia is major component of

1. Organic Acids

2. Fertilizers

3. Mineral acids

4. Acid rain

Q. Sulphuric acid has the highest importance in the chemical industry. Why?