| 1 |
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
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| 2 |
The sum of mole percent of all the components of solution is always equal to. |
- A. Unity
- B. 100
- C. Less than one
- D. Less than 100
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| 3 |
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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| 4 |
Molal boiling constant for water is 0.52 <sup>o</sup>C. If 6 g of urea is dissolved in 100 g of water, what will be its boiling point. |
- A. 100.52 <sup>o</sup>C
- B. -100.52<sup>o</sup>C
- C. 100<sup>o</sup>C
- D. 99<sup>o</sup>C
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| 5 |
The molal boiling point constant is the ration of the elevation in boiling point to |
- A. Molarity
- B. Molality
- C. Mole fraction of solvent
- D. Mole fraction of solute
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| 6 |
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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| 7 |
Colligative properties are used to determine the |
- A. Freezing points
- B. Boiling point
- C. Atomic mass of an element
- D. Molar mass of solute
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| 8 |
Two solution of NaCI and KCI are prepared separately by dissolving same moles of them in the fixed amount of solvent. Which of the following statements is true for these solution |
- A. KCI solution will have higher boiling point than NaCI solution
- B. Both the solutions have different boiling point
- C. KCI and NaCI solution possess same vapour pressure
- D. KCI solution possesses lower freezing point than NaCI solution
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| 9 |
Two solutions of NaCl and KCl are prepared separately by dissolving same amount of the solute in water. Which of the following statements is true for these solution. |
- A. KCl solution will have higher boiling pint than NaCl solution
- B. Both the solutions have different boiling point
- C. KCl and NaCl solutions possess same vapour pressure
- D. KCl solution possesses lower freezing point than NaCl solution
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| 10 |
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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