Question

Heating of blue crystals of copper sulphate to form white anhydrous compound is a? * 1 point (a) chemical change (b) physical change (c) both (a) & (b) (d) none of the above. ki​

Answer 1

Answer:

a) chemical change

Explanation:

When Copper sulfate is heated strongly, it changes into white coloured anhydrous copper sulphate. Later, when water is added again to it then again the colour of copper sulphate is changed to blue. It is a reversible chemical change.