Related Questions

Addition of a non-volatile solute to a solvent produces a __________ in its solvent.
A Freezing point elevation
B Boiling point depression
C Vapor pressure lowering
D All of the above
The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
A Contracts
B Expands
C Does not change in volume
D Either A, B or C
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
A Less than
B More than
C Equal to
D Either more or less; depends on the solvent
On addition of solute in the solvent, the __________ of the solution decreases.
A Boiling point
B Freezing point
C Vapour pressure
D Both B and C
Addition of a non-volatile solute to a pure solvent
A Increases its freezing point
B Increases its boiling point
C Decreases its freezing point
D Both B and C
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the
A Solute concentration
B Temperature
C Both A & B
D Neither A nor B
The depression in freezing point of a solution is
A Inversely proportional to the mass of solvent
B Directly proportional to the mole of solute
C Both A & B
D Neither A nor B
If the cost of a long-distance phone call is C taka for the first minute and (2/3) C taka for each additional minute, what is the cost, in taka, of a 10 minute call of this type?
A 5/3c
B 6c
C 20/3c
D 7c
If the cost of a long distance phone call in C taka for the first minute and (2/3) C taka for each additional three minute. what is the cost in taka of a ten minute call of this type?
A 5c/3
B 6c
C 3c
D 7c
It was a freezing day of winter. " Here freezing is -
A Adjective
B Adverb
C Verb
D Preposition

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