Physics · Oct / Nov 2017 · Paper 11 · Question 13
5054Melting, boiling and evaporation
Solid wax is melted in a boiling tube and then allowed to cool. The graph shows the cooling curve. What is happening between points X and Y?
- AThe liquid is at its boiling point.
- BThe liquid is turning to solid.
- CThe solid has reached room temperature.
- DThe solid is turning to liquid.
As printed in the paper
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Correct answer: B. The liquid is turning to solid.
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