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Sublimation

Identify the ...

Question

Identify the substance(s) that can melt on heating.

A

Only I

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B

All I, II and III

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C

Only II

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D

Both II and III

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Solution

The correct option is D

Both II and III

We know that both candle and butter get converted from solid to a liquid state on heating.
But for camphor, upon heating, it is converted from solid to a gaseous state without undergoing into a liquid state.
Hence, candle and butter undergo melting while camphor undergoes sublimation on heating.

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