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Question

A piece of ice is heated at a constant rate. The variation of temperature with heat input is shown in the graph:

AB and CD represent:


A

AB represents melting of ice and CD represents boiling of water

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B

AB represents melting of ice and CD represents heating of water

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C

AB represents heating of water and CD represents boiling of water

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D

AB represents heating of ice and CD represents heating of water

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Solution

The correct option is A

AB represents melting of ice and CD represents boiling of water


AB represents the change from ice to water on melting. CD represents the change from water to water vapour on boiling.


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