Question

From the following list of substances , choose the substances which meet the description given in parts (i) to (v) below : Ammonium chloride, ammonium nitrate, chlorine, dilute hydrochloric acid, iron, lead nitrate, manganese (IV) oxide, silver nitrate, sodium nitrate, sodium nitrite, sulphur 1. Two compounds heated together in solution to produce nitrogen.
2. An element which exists in two crystalline forms.
3.. A compound which on heating gives oxygen as the only gaseous product.
4.. A substance containing both molecules and ions.
5. Two compounds whose aqueous solution give white precipitates with dilute Hydrochloric acid.

Answer 1

1. Lead nitrate and silver nitrate
2. it should be carbon
3. Sodium nitrate
4. Ammonium nitrate or Ammonium chloride
5.Silver nitrate and ammonium nitrate

Answer 2

Answer:

Lead nitrate and silver nitrate

2. it should be carbon

3. Sodium nitrate

4. Ammonium nitrate or Ammonium chloride

5.Silver nitrate and ammonium nitrate