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 is so formed remains in the solution . This reaction is example of ?

Answer 1

Answer :

double displacement is a type of chemical reaction where to components react,and the positive ions and negative ions of the two reactants switch places ,forming two new compounds or products

Answer 2

Explanation:

Answer :

double displacement is a type of chemical reaction where to components react,and the positive ions and negative ions of the two reactants switch places ,forming two new compounds or products