EPT

1.What do you see when conc. Hydrochloric acid is added to lead (IV) oxide with warming?

• GREENISH YELLOW GAS
• WHITE RESIDUE
• WHITE RESIDUE & GREENISH YELLOW GAS
• NONE

2.The gas which gives a white precipitate when reacted with silver nitrate solution acidified with dilute nitric acid.

• ammonia
• hydrogen chloride
• hydrogen sulphide
• sulphur dioxide

3.Select the compound which can be oxidized to chlorine

• Ammonia
• Copper oxide
• Copper sulphate
• Hydrogen chloride

4.A compound which is insoluble in cold water but soluble in excess of ammonia solution

• Hydrogen chloride
• Silver chloride
• Copper [II] sulphate
• Lead chloride

5.Identify the gas evolved when Potassium sulphite is treated with dilute hydrochloric acid

• Sulphur trioxide
• Sulphur dioxide
• Sulphur oxide
• NONE