Which of the following are physical changes?

Melting chocolate

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Cooking chicken

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Formation of clouds

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Making ice candy

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Solution

The correct options are
A Melting chocolate
C Formation of clouds
D Making ice candy
In a physical change, there is no change in the chemical composition of a substance, only change in physical apperance and properties occurs.
Whereas, in a chemical change, the chemical nature of the substance changes because of formation of a new substance.

Melting of chocolate, formation of clouds, and making ice candy are examples of a physical change. Cooking chicken is however a chemical change.

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