The hot liquid is poured into a test tube.
The figure shows how the temperature of the contents of the test tube changes with time. What is the physical state of the contents of the tube at time 8 minute?
A Mixture of liquid and vapour
B Mixture of liquid and solid
C Liquid
D Solid
What is this nonsense,The answer should be mixture of liquid and solid.Mixture of liquid and solid would be less than 30°C.