| 1 |
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
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| 2 |
A solution of glucose is 10% to volume in which 1 g mole of it is dissolved will be |
- A. 1 dm<sup>3</sup>
- B. 1.8 dm<sup>3</sup>
- C. 200 cm<sup>3</sup>
- D. 900 cm<sup>3</sup>
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| 3 |
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
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| 4 |
Which one of the following salts dissolved in water to form a solution with a pH greater than 7 |
- A. NaCl
- B. CuSO4
- C. Na2CO3
- D. NH4Cl
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| 5 |
Azeotrpic mixture of two liquids boils at a lower temperature than either of them, when |
- A. It is saturated
- B. Is shows positive deviation from Raoult's law
- C. It shows negative deviation from Raoult's law
- D. Is is metastable
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| 6 |
Which of the following solution s 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 point
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| 7 |
Which solution is an example of solid in gas |
- A. Fog
- B. Steel
- C. smoke
- D. Air
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| 8 |
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
|
| 9 |
In case of non volatile solute, lowering of vapour pressure is proportional to. |
- A. Mass fraction of solute
- B. Mole fraction of solvent
- C. Mole fraction of solute
- D. None of the above
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| 10 |
Which of the following solutions will have the highest boiling point |
- A. 0.1 M NaCI
- B. 0.1 M CaCI<sub>2</sub>
- C. 0.1 M FeCI<sub>3</sub>
- D. 0.1 M glucose
|