Question

WHEN HYDROGEN SULPHIDE GAS IS PASSED THROUGH A BLUE SOLUTION OF COPPER SULPHATE, A BLACK PRECIPITATE OF COPPER SULPHATE IS OBTAINED AND THE SULPHURIC ACID SO FORMED REMAINS IN THE SOLUTION. THE REACTION IS AN EXAMPLE OF :-​

Answer 1

Answer:

Double displacement reaction.

Answer 2

Answer:

When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of : A . a combination reaction.

Explanation:

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