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Standard XII
Chemistry
Relative Lowering of Vapour Pressure
If water at ...
Question
If water at
0
∘
C
, kept in a open container is placed in a large evacuated chamber, then:-
A
All the water will vaporise.
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B
All the water will freeze
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C
Some of the water will freeze
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D
Ice, water and water vapour will be formed and reached equilibrium at the tripe point.
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Solution
The correct option is
C
Some of the water will freeze
Some water will freese
because ice formed leave its
heat and lefted water will
absorbe the heat.
Answer: (C)
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