The volume of the air _______, when we heat the air.

increases

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decreases

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doesn't change

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becomes zero

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Solution

The correct option is A increases
As we provide heat to the air molecules, they start to move quickly all around the surroundings, due to which the gap between the air molecules increases. Hence, the volume of air increases, when the air gets hotter.

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The volume of the air _______, when we heat the air.

The correct option is A increasesAs we provide heat to the air molecules, they start to move quickly all around the surroundings, due to which the gap between the air molecules increases. Hence, the volume of air increases, when the air gets hotter.

The correct option is A increases
As we provide heat to the air molecules, they start to move quickly all around the surroundings, due to which the gap between the air molecules increases. Hence, the volume of air increases, when the air gets hotter.