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Question
An aqueous solution of sugar boils ______ 100°C and freezes ______°C.
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Solution
An aqueous solution of sugar boils above 100°C and freezes 0°C.
Explanation:
An aqueous solution of sugar boils above 100°C because the presence of a non-volatile solute (sugar) causes elevation in boiling point. It freezes below 0°C due to freezing point depression. Both are colligative properties and depend on the number of solute particles in the solution.
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