| 1 |
The molarity of 2% w/v NaOH solution is |
- A. 2
- B. 0.25
- C. 0.05
- D. 0.5
|
| 2 |
In a solution 7.8 g of benzene and 46 g of toluene is present The mole fraction of benzene is. |
- A. 1/2
- B. 1/3
- C. 1/5
- D. 1/6
|
| 3 |
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
|
| 4 |
Melting of ice can be forwarded by the use of. |
- A. LiCl
- B. BeCl2
- C. NaCl
- D. Ag Cl
|
| 5 |
Heat of solution of an ionic compound is equal to. |
- A. Hydration energy
- B. Lattice energy
- C. Slum of both 'a' and 'b'
- D. Difference of both a and b
|
| 6 |
Solubility curve of CaCl26H2O shows |
- A. Decrease in solubility with increase of temperature
- B. Increase in solubility with increase of temperature
- C. Discontinuous increase in solubility with temperature
- D. No effect of temperature on solubility
|
| 7 |
Depression in the F.P is directly proportional to |
- A. Molarity of solution
- B. Molarity of solvent
- C. Molality of solvent
- D. Molality of solution
|
| 8 |
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
|
| 9 |
Colligative properites are the properties of |
- A. Dilute solutions which behave as nearly ideal solution
- B. Concentrated solution which behave as nearly non-ideal solution
- C. Both a and b
- D. Neither a nor b
|
| 10 |
The liquid pair which is not completely miscible is |
- A. CH<sub>3</sub>OH and water
- B. Alcohol and water
- C. Phenol and water
- D. Benzene and toluene
|
