Identify the chemical changes from the following.
Classify the following as physical or chemical changes:
(i) Cooking of food (ii) Boiling of water
(iii) Cutting of trees (iv) Dissolving salt in water
(v) Digestion of food (vi) Melting of ice
Sort the following according to their physical and chemical changes.
(i) Combustion of wood
(ii) Melting of ice.
(iii) Cooking of food.
(iv) Rusting of iron.
(v) Ripening of fruits.
(vi) Tearing of papers.