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Consequences of Anomalous Expansion

When a substa...

Question

When a substance is heated ,it becomes.

A

heavier

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B

porous

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C

lighter

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D

none of these.

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Solution

The correct option is C
lighter

When a substance is heated, it becomes lighter.
When a substance is heated its volume increases while its mass remains the same.
Density is the ratio of mass and volume.
So its density decreases and becomes lighter.
Hence, option C is correct.

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