Question

Fig. shows the variation in temperature with time when some wax cools from the liquid phase to the solid phase. What does the part QS of the curve represent ?

181340
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A

melting

B

freezing

C

boiling

D

insufficient data

Easy
Updated on : 2022-09-05
Solution
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Correct option is B)

Freezing.
In part , the state is liquid and temperature is decreasing, In part there is change of state from liquid to solid, i.e., this stage is freezing, without change in temperature. In part , state is solid and temperature is decreasing with time.

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