| 1 |
Colligative properties are the properties of. |
- A. Dilute solution which behave as nearly ideal solutions
- B. Concentrated solutions which behave as nearly non ideal solutions
- C. Both a and b
- D. Neither a nor b
|
| 2 |
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
|
| 3 |
Which one of the following salts dissolved in water to form a solution with a pH lesser than 7 |
- A. NaCl
- B. CuSO4
- C. Na2CO3
- D. NH4Cl
|
| 4 |
The molal boiling point constant is the ratio of elevation of boiling point to |
- A. Molarity
- B. Mole fraction of solvent
- C. Molality
- D. Mole fraction of solute
|
| 5 |
An aqueous solution of ethanol in water has vapour pressure. |
- A. Equal to that of water
- B. Equal to that of ethanol
- C. More than that of water
- D. Less than that of water
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| 6 |
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
|
| 7 |
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
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| 8 |
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
|
| 9 |
The temperature which partially immiscible pair of liquid leads to the formation of a single phase in called. |
- A. Transition temperature
- B. Absolute temperature
- C. Consulate temperature
- D. Room temperature
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| 10 |
Molarity of pure water is |
|