If mass of solute is 2g and the mass of solvent is 18 g, then the mass percentage is
50%
25%
40%
10%
The number of moles of the solute per kilogram of the solvent is called
Molality
Molarity
Normality
Mass
Eg of liquid-liquid solution is
Oxygen dissolved in water
Glucose dissolved in water
Ethanol dissolved in water
Mixture of oxygen and nitrogen gas
A 5% solution of cane sugar (mol wt = 342) is isotonic with 1% solution of a substance X. The molecular weight of X is
34.2
171.2
68.4
136.8
Bromo ethane and chloro ethane is an eg of
Non ideal solution
Perfectly ideal
Nearly ideal
Both b and c
Factors affecting solubility are
Nature of substance
Temperature
Pressure
All the above
The solubility of a solid in a liquid by temperature is explained by
Henry’s law
Le Chateliers principle
Boyle’s law
Dalton’s law
If vapour pressure of a solution is higher than that of predicted by Raoult's law
+ ve deviation
- ve deviation
Ideal behaviour
Both a and b
No of moles of solute dissolved in 1 litre of solution is called
Molefraction
