Determing Melting Point

Example of Essay Question:
Solid Z has a melting point of 65oC.  Describe a laboratory experiment to determine the melting point of Z. Your answer should show how the melting point of Z is determined.

Requirement of the Question 

a) Procedure and diagram
b) A table showing time and temperature.
c) Sketch a graph temperature of substance Z against time.
d) Show how melting point of substance can be obtained from the graph.

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