Which of the following cannot change, in a physical change?

Volume

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Pressure

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Chemical composition

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Temperature

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Solution

The correct option is C Chemical composition
In a physical change the chemical composition of a substance does not change.

For example conversion of water into steam where composition remain same i.e. $H_{2} O$ .

Volume, pressure and temperature are the physical properties.

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Which of the following cannot change, in a physical change?

The correct option is C Chemical compositionIn a physical change the chemical composition of a substance does not change. For example conversion of water into steam where composition remain same i.e. H2O.Volume, pressure and temperature are the physical properties.

The correct option is C Chemical composition
In a physical change the chemical composition of a substance does not change.

For example conversion of water into steam where composition remain same i.e. $H_{2} O$ .

Volume, pressure and temperature are the physical properties.