Question

The salt which reacts with sulphuric acid to form an insoluble precipitate

(2 Points)

Lead nitrate

Copper nitrate

Zinc nitrate

Sodium nitrate

2.Composition of brown ring formed at the junction is

(2 Points)

FeSO4

FeSO4.OH

FeSO4.NO

FeSO4.H2O

3.The nitrate which on heating melts and liberated only one neutral gas

(2 Points)

Copper nitrate

Lead nitrate

Zinc nitrate

Sodium nitrate

4.Ammonia reduces copper oxide to form reddish brown solid that is

(2 Points)

Copper

Nitrogen

Nitric Acid

Nitrogen dioxide

5.Salt of ammonia which produces nitrogen on decomposition

(2 Points)

Ammonium Nitrite

Ammonium Nitrate

Ammonium chloride

Ammonium sulphate​

Answer 1

The salt which reacts with sulphuric acid to form an insoluble precipitate

(2 Points)

Lead nitrate

Copper nitrate

Zinc nitrate

Sodium nitrate

2.Composition of brown ring formed at the junction is

(2 Points)

FeSO4

FeSO4.OH

FeSO4.NO

FeSO4.H2O

3.The nitrate which on heating melts and liberated only one neutral gas

(2 Points)

Copper nitrate

Lead nitrate

Zinc nitrate

Sodium nitrate

4.Ammonia reduces copper oxide to form reddish brown solid that is

(2 Points)

Copper

Nitrogen

Nitric Acid

Nitrogen dioxide

5.Salt of ammonia which produces nitrogen on decomposition

(2 Points)

Ammonium Nitrite

Ammonium Nitrate

Ammonium chloride

Ammonium sulphate