The temperature time graph given below shows the heating curve for pure wax. From the graph answer the following questions: a. What is the physical state of wax at the points A,B,C,D? b.What is the melting point of wax? c. What is its boiling point? d. Which portions of the graph indicate that change of state is taking place? e. Name the terms used for heat absorbed during the change of slates involved in above process.

The temperature time graph given below shows the heating curve for pur

1.	The temperature time graph given below shows the heating curve for pure wax. From the graph answer the following questions: a. What is the physical state of wax at the points A,B,C,D? b.What is the melting point of wax? c. What is its boiling point? d. Which portions of the graph indicate that change of state is taking place? e. Name the terms used for heat absorbed during the change of slates involved in above process.
Answer» SOLUTION :a.A: solid , B: Solid as well as LIQUID, C: Liquid, D. liquid as well as vapour. b.The melting pont of wax is `15^(@)C` c.The BOILING point of wax is `110^(@)C` d. `A_(1)B_(1)` and `D_(1)D_(2)` show the change of states taking place. e.`A_(1)B_(1):Latent heat of fusion. `D_(1)D_(2):` Latent heat of vaporisation.