Choose the correct options for the following questions.
The vapour pressure of an aqueous solution of glucose is:
Difficulty: Easy
A:
More than vapour pressure of pure water.
B:
Less than vapour pressure of pure water.
C:
Equal to vapour pressure of water.
D:
Independent of temperature.
When common salt is dissolved in water:
Difficulty: Easy
A:
Boiling point of solution decreases.
B:
Both melting and boiling point decrease.
C:
Boiling point of solution increases.
D:
Melting point increases.
Which of the following has maximum freezing point:
Difficulty: Easy
A:
1 m Urea
B:
1 m NaCl
C:
$ 1 m CaCl_{2}$
D:
1 m KCl
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