Question

Classify the following as reversible or irreversible changes:
burning of coal, freezing of water, digestion of food, ironing of a shirt, baking of a chapati, knitting of a sweater, folding of paper and rusting of iron​

Answer 1

Answer:

burning of coal- irreversible

freezing of water- reversible

digestion of food- irreversible

ironing a shirt- reversible

baking a chapati- irreversible

knitting of a sweater- reversible

folding of paper- reversible

rusting of iron - irreversible

Explanation:

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Answer 2

irreversible change-

burning of coal

digestion of food

baking of chapati

rusting of iron

reversible change

freezing of water

ironing of shirt

knitting of sweater

folding of paper