At what temperature does the solid and liquid state of a substance have same vapour pressure?
Freezing point
Boiling point
Melting point
None
Which type of solute molecules show an increase in number of particles present in solution?
Associate solute
Adsorbent solute
Dissociate solute
Absorbed solute
Which apparatus is used for measuring the osmotic pressure of a solution?
Ostwald-Walker
Berkley-Hartley
Beckmann
Mendeleev
Which colligative property will depend on the number of solute molecules?
Osmotic pressure
Depression of freezing point
Lowering of vapour pressure
Elevation of boiling point
At what point of a pure liquid does the vapour pressure is equal to the atmospheric pressure?
How is relative lowering of vapour pressure related to the mole fraction?
Greater than
Less than
Not equal
Equal to
Which constant is known as the depression in freezing point of one molal solution?
Ebullioscopic constant
Cryoscopic constant
Elevation constant
None of these
What amount of aqueous sodium chloride is available in blood plasma?
1%
10%
0.50%
0.9%
Which of the following is known as differential thermometer?
Ostwald apparatus
Stirrer
Thermometer bulb
Beckmann thermometer
Whose conclusion is that a substance in solution behaves exactly like gas?
Raoult
Charle’s
Vant Hoff
