1.

(a) Differentiate between physical and chemical changes.(b) Give reasons:(i) Ripening of fruit is a desirable change.(ii) Curdling of milk is a slow change.(ii) Digestion of food is an irreversible change.

Answer» (a) Differentiate between physical and chemical changes.

(b) Give reasons:

(i) Ripening of fruit is a desirable change.

(ii) Curdling of milk is a slow change.

(ii) Digestion of food is an irreversible change.


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