Question

Q10. Classify the changes involved in the following processes as chemical or physical change.
(a) digestion of food - _____
(b) melting of ice - _____
(c) setting curd from milk - _____
(d) preparing crystals of copper sulphate - _____ *​

Answer 1

Answer:

a) Chemical change.

b) Physical Change.

c) chemical change.

d) chemical change.

Answer 2

Answer:

a) digestion of food - ___chemical__

(b) melting of ice - ____physical_

(c) setting curd from milk - ____chemical_

(d) preparing crystals of copper sulphate - ____chemical _ *