Question

Select from the list:

Ammonia, Copper oxide, Copper sulphate, Hydrogen chloride, Hydrogen sulphide, Lead bromide.

1. A solution of this compound is used as the electrolyte when copper is purified.

2. When this compound is electrolysed in the molten state, lead is obtained at the cathode.

Answer 1

1. Copper sulphate

2. Lead Bromide.