2. Soda water is an example of:
a liquid-liquid solution c gas-liquid solution
b solid-liquid solution d gas-gas solution
3. Which of the following substances are not readily miscible within each other?
a C6
H6
and CCl4 c C2
H5
OH and H2
O
b C2
H5
OH and CCl4 d CH3
OH and H2
O
4. Rate of dissolution is largely dependent upon:
a the inter-particle forces
b the surface area of solid solute
c the temperature of the system
d the pressure of the system
5. Which of the following statements is not correct?
a pressure has little effect on the solubility of liquids and solids
b the solubility of most solids increases with increasing temperature
c the solubility of gases in water increases with increasing temperature.
d none of the above
6. The quantitative relationship between gas solubility and pressure is given by:
a Raoult’s law c Hess’s law
b Henry’s law d Dalton’s law
7. When a non-volatile solute is added to a pure solvent the:
a vapour pressure of the solvent decreases.
b vapour pressure of the solvent increases.
c boiling point of the solution decreases.
d freezing point of the solution increases.
8. Which of the following is not true about ideal solutions?
a the volume of an ideal solution is the sum of the volume of its pure components
b there is no expansion or contraction on mixing
c the heat of solution is zero
d they deviate from Raoult’s law�
2. b gas-liquid solution
3. b C2H5OH and CCl4
4. a the inter-particle forces
5. a pressure has little effect on the solubility of liquids and solids
6. b Henry’s law
7. a vapour pressure of the solvent decreases.
8. d they deviate from Raoult’s law