Dissolution of sugar in water is a chemical change.
The rusting of an iron object is called:
(a) corrosion and it is a physical as well as a chemical change
(b) dissolution and it is a physical change
(c) corrosion and it is a chemical change
(d) dissolution and it is a chemical change
Is dissolution of copper sulphate in water a chemical change? Justify your answer.
If dissolution of hydrogen chloride gas in water, a physical change or a chemical reaction?