| 1 |
In azeotropic mixture showing positive deviation from Raoult's law, the volume of the mixture is. |
- A. slightly more than the total volume of the components
- B. Slightly less than the total volume of the component
- C. Equal to the total volume of the components
- D. None of these
|
| 2 |
The relative lowering of vapour pressure is equal to the mole fraction of the solute. This law is known as |
- A. Ostwald dilution law
- B. Raoult's law
- C. Vant hoff's law
- D. Henry's law
|
| 3 |
<div>Relative lowering of vapour pressure is equal to.</div> |
- A. Mole fraction of solute
- B. Mole fraction of solvent
- C. Mole fraction of solute and solvent
- D. Molality of solution
|
| 4 |
An aqueous solution of ethanol is water has vaporu pressure. |
- A. Equal to the of water
- B. Equal to that of ethanol
- C. More than that of H2O
- D. Less than that of water
|
| 5 |
Upper consulate temperature for water phenol system is. |
- A. 150 <sup>o</sup>C
- B. 65.9 <sup>o</sup>C
- C. 120 <sup>o</sup>C
- D. 130 <sup>o</sup>C
|
| 6 |
Azeotropic mixture can be separated into pure components by |
- A. Distillation
- B. Fractional distillation
- C. Vacuum distillation
- D. None
|
| 7 |
A solution of glucose is 10% The volume in which 1 g mole of it dissolved will be. |
- A. 1 dm3
- B. 1.8 dm3
- C. 900 cm3
- D. 200 cm3
|
| 8 |
What amount of NaOH is required to prepare 500 g of 0.5 molal solution. |
- A. 10 g
- B. 20 g
- C. 30 g
- D. 40 g
|
| 9 |
Which of the following solutions has the highest boiling point |
- A. 5.85% solution of sodium chloride
- B. 18.0% solution of glucose
- C. 6.0% solution of urea
- D. All have the same boiling points
|
| 10 |
Butter is solution of |
- A. Liquid in liquid
- B. Solid and liquid
- C. Liquid and solid
- D. Liquid and gas
|
