Question

Which of the following is a chemical change?

(i) The cooking of food (ii) The digestion of food

(iii) The formation of water vapour (iv) The growth of a plan​

Answer 1

Answer:

2) Digestion of food is a chemical change.

Answer 2

Answer:

i)the cooking of food

ii)the digestion of food

iv)the growth of a plant

this all are chemical changes