Question
What is freezing point and depression in freezing point?
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Answer
Freezing point: It is that temperature of a liquid at which it begins to solidify. At this temperature vapour pressure becomes zero.
Depression in freezing point: When a non-volatile solute is added, the vapour pressure of solution is lowered. With decrease in vapour pressure the freezing point also decreases. It is known as depression in freezing point.
Depression in freezing point: When a non-volatile solute is added, the vapour pressure of solution is lowered. With decrease in vapour pressure the freezing point also decreases. It is known as depression in freezing point.
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