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.Management Sciences
Category: Solutions
Which of the following unit of concentration is independent of temperature ?
A. Molarity
B. Molality
C. Mole fraction
D. all
In partially miscible liquids the two layers are___________________?
A. saturated solutions of each liquid
B. unsaturated solutions of each liquid
C. normal solution of each liquid
D. no layer formation takes place
Water of crystallization can be removed by________________?
A. drying
B. heating
C. evaporation
D. All of the above
Beckmanns apparatus is used to measure_______________?
A. boiling point elevation
B. depression in freezing point
C. lowering of vapour pressure
D. lowering of osmotic pressure
The molal boiling point constant is the ration of the elevation of boiling point to____________________?
A. Molarity
B. Molality
C. More fraction of solvent
D. Mole fraction of solute
Mixtures which distill over without change in composition called___________________?
A. zeotropic mixture
B. azeotropic mixture
C. amphoteric mixture
D. ideal solution
Hydration is a process in which_________________?
A. Molecules are surrounded by solvent molecules
B. Ions are surrounded by solvent molecules
C. Both ions and molecules are surrounded by solvent molecules
D. Both ions and molecules are surrounded by water molecules
Solution with maximum concentration of solute at given temperature is called________________?
A. Super saturated solution
B. unsaturated solution
C. saturated solution
D. dilute solution
Homogeneous mixture of two or more than two compounds is called__________________?
A. solution
B. compound
C. radical
D. ion
Boiling point elevations can be measured by__________________?
A. Beckmanns method
B. Landsbergers method
C. Linds method
D. none of the above
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