| 1 |
The molal boiling point constant is the the ratio 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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| 2 |
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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| 3 |
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
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| 4 |
When an ionic compound is dissolved in water, it dissociate into positive and negative ions, which are surrounded byH2O molecule, This process is known as. |
- A. Hydrolysis
- B. Hydration
- C. Saturation
- D. solvolysis
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| 5 |
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
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| 6 |
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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| 7 |
The molarity of 2% w/v NaOH solution is |
- A. 2
- B. 0.25
- C. 0.05
- D. 0.5
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| 8 |
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
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| 9 |
Butter is solution of |
- A. Liquid in liquid
- B. Solid and liquid
- C. Liquid and solid
- D. Liquid and gas
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| 10 |
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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