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Reversible Change

Which of the ...

Question

Which of the following is a physical change?

A

Burning fuel in your car

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B

Baking cookies

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C

Mixing vinegar and baking soda

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D

Respiration (inhaling oxygen gas and exhaling carbon dioxide gas)

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E

Evaporating water

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Solution

The correct option is E Evaporating water
Evaporation is a physical change because when water evaporates no new substances are being made or nothing is being taken away from it, so in that case its still water. All the other options involve making new substances, so they all are chemical changes.
Hence, $E$ is correct.

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