Question

1. The temperature-time graph given below shows the heating curve for pure wax. From
the graph answer the following questions


What is the physical state of the substance at the point A, B, C and D?
b. What is the melting point of substance?
What is its boiling point?
d. Which points of the graph do indicate that change of state is taking place?
e. Name terms used for heat absorbed during change of states involved in the above
processes?​

Answer 1

Answer:

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