Classify each of the following, as a physical or a chemical change. Give reasons.
Classify each of the following, as a physical or a chemical change. Give reasons.
(a) Drying of a shirt in the sun.
(b) Rising of hot air over a radiator.
(c) Burning of kerosene in a lantern.
(d) Change in the colour of black tea on adding lemon juice to it.
(e) Churning of milk cream to get butter.
Ans. Physical changes —(a), (b), (e)
Chemical changes— (c), (d)
