The graph above illustrates the variation of temperature ...
The graph above illustrates the variation of temperature \(\theta\) with time (t) for a solid that is being heated. Which processes take place at segments P and Q respectively?
Freezing and vaporization
Evaporation and solidification
Melting and boiling
Condensation and evaporation
Correct answer is C
Since the substance is solid, it will need heat to melt to liquid and once the liquid starts boiling temperature will remain the same.
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