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 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
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a
A Beckman thermometer
B Dilatometer
C Mercury thermometer
D Bimetallic thermometer
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 dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
A Polythene
B PVC
C Rayon
D Polyvinyl acetate
Heat of solution in a system in which both solute and solvent are liquids is termed as
A Heat of solvation
B Heat of hydration
C Standard integral heat of solution
D Heat of mixing
Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult's law is proportional to the
A Temperature
B Volume of solution
C Moles of non-volatile solute
D None of these
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these

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