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The heating curve of a paritcular subst...

The heating curve of a paritcular substance in solid state is as shown in the figure .choose the correct alternative

The porition QR of the graph indicates

A

no change in heat energy.

B

change in temperature.

C

change of state.

D

Both (b) and (c).

Text Solution

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The correct Answer is:
C
The portion QR of the graph indicates change of state.
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