1 |
Which concentration unit is independent of temperature. |
- A. Molarity
- B. Molality
- C. ppm
- D. both a and b
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2 |
Relative lowering of vapour pressure is equl to. |
- A. Mole fraction of solute
- B. Mole fraction of solvent
- C. Molarity
- D. Molality
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3 |
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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4 |
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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5 |
10 g of NaOH have been dissolved per kg of solvent The molality of solution. |
- A. 0.25 m
- B. 0.5 m
- C. 1.0 m
- D. 2.0 m
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6 |
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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7 |
The vapour pressure of an aqueous solution of glucose is. |
- A. Equal to vapour pressure of water
- B. Independent of temperature
- C. More than vapour pressure of pure water
- D. Less than vapour pressure of pure water
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8 |
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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9 |
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
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10 |
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
|