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Question

Which among these contract on melting?


A

Lead

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B

Wax

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C

Ice

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D

Iron

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Solution

The correct option is C

Ice


Among the options, ice and bismuth contracts on melting. Lead, iron and wax expand on melting.

The graph plotting the density of water vs temperature. When ice melts its density increases thereby decreasing its volume. Similarly for bismuth, while melting it contract to liquid.


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