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Question
Fig. shows the variation in temperature with time when some wax cools from the liquid phase to the solid phase. In which part of the curve, the wax will be in the liquid as well as in solid phase ?
Fig. shows the variation in temperature with time when some wax cools from the liquid phase to the solid phase. In which part of the curve, the wax will be in the liquid as well as in solid phase ?
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Solution
The correct option is B QS
QS.In part PQ, the state is liquid and temperature is decreasing, In part QS there is change of state from liquid to solid, i.e., this stage is freezing, without change in temperature. In part ST, state is solid and temperature is decreasing with time.
QS.
In part PQ, the state is liquid and temperature is decreasing, In part QS there is change of state from liquid to solid, i.e., this stage is freezing, without change in temperature. In part ST, state is solid and temperature is decreasing with time.
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