When blue copper(II) sulfate pentahydrate crystals are gently heated
CHEMISTRY · Subjective · CBSE · Chemistry · Acids, Bases and Salts · Acids, Bases and Salts
Problem
When blue copper(II) sulfate pentahydrate crystals are gently heated, they turn into a white powder that becomes blue again upon the addition of water. Decide whether the heating step represents a physical change or a chemical change and cite one piece of evidence to support your decision.