Question

Identify the physical changes and chemical changes from the following:
i Ripening of fruit
ii Tearing paper
iii Dissolution of salt in water
iv Rusting of iron

Answer 1

chemical changes : ripening of fruits and dissolution of salt in water
physical changes : tearing paper and rusting of iron

Answer 2

Ripening of fruit => chemical change
Tearing paper => chemical change
Dissolution of salt in water => physical change
Rusting of iron => chemical change

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