You are given two samples of water labelled as $‘A’$ and $‘B’$. Sample $‘A’$ boils at $100^\circ\ C$ and sample $‘B’$ boilsa $102^\circ\ C$. Which sample of water will not freeze at $0^\circ C$? Comment.
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Sample $‘B’$ will not freeze at $0^\circ\ C$ because may contain impurities. At $1$ atm, the boiling point of pure water is $100^\circ\ C$ and the freezing point of pure water is $0^\circ\ C$.
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