Question

Which of the following is a physical change? a). cooking of food b). Rusting of iron. c). Freezing of water. d). Digestion of food.
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Answer 1

Answer:

FREEZING OF WATER IS A PHYSICAL CHANGE.

Explanation:

Water can be changed into ice

and ice can be changed into water(interconvertable)

HENCE IT IS PHYSICAL PROCESS

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Answer 2

Answer:

c.freezing of water

Explanation:

because it cannot be reversed and also the properties of the substance (i.e.water) remain the same

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