Freezing of water to ice is a _______ change.
Give reason:
(a)Freezing of water to ice and evaporation of water are physical changes.
(b)Burning of a candle is both a physical and a chemical change.
(c)Burning of paper is a chemical change.
(d)Cutting of a cloth piece is a physical change, though it cannot be reversed.
Freezing of water is a chemical change.
Some changes are given below.
(a) Freezing of water
(b) Melting of ice
(c) Boiling of water
Are these considered as physical changes? If yes, give the reason.