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Dhairya, a Class 9 student heated a soli...

Dhairya, a Class 9 student heated a solid 'X' beyond its melting point. Then, he allowed the hot liquid to cool slowly and recorded the temperature at regular time intervals until it cooled to `20^(@)C`. He obtained the given cooling curve.

The parts of graph where 'X' exists in solid state, in liquid state and in both solid and liquid states are respectively

A

Q, P and R

B

P, Q and R

C

R, P and Q

D

R, Q and P

Text Solution

Verified by Experts

The correct Answer is:
C
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