Question 1(f)
Classify the changes involved in the following processes as physical or chemical changes:

Digestion of food

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Solution

Digestion of food is a chemical change as there are new substances that are formed as a result of this change. The food that we eat converts into new substances and energy in this process.

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Similar questions

Classify the changes involved in the following processes as physical or chemical changes:

(a) Photosynthesis

(b) Dissolving sugar in water

(d) Melting of wax

(e) Beating aluminium to make aluminium foil

(f) Digestion of food

Question 16

Classify the following processes into physical or chemical changes:

(i) Beating of aluminium metal to make aluminium foil.
(ii) Digestion of food.
(iii) Cutting of a log of wood into pieces.
(iv) Burning of crackers.

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