Which of the following expands the most for an equal rise in temperature?

Kerosene

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Helium

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Water

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Mercury

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Solution

The correct option is B Helium
For a given rise in temperature, gases expand much more and faster than liquids. This is due to the fact that gases have more interatomic or intermolecular space than liquids. Among the given, helium is a gas while the rest are liquids: Helium expands more than the rest.

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