Question

Classify the following as physical or chemical changes :
(i) Formation of curd from milk
(ii) Condensation of steam
(iii) Growth of a plant
(iv) Breaking of a glass tumbler

Answer 1

(a) Formation of curd from milk – Chemical change
(b) Condensation of steam – Physical change
(c) Growth of plant – Chemical change
(d) Breaking of a glass tumbler – Physical change