| 1 |
Which solution is an example of solid in gas |
- A. Fog
- B. Steel
- C. smoke
- D. Air
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| 2 |
<div>Relative lowering of vapour pressure is equal to.</div> |
- A. Mole fraction of solute
- B. Mole fraction of solvent
- C. Mole fraction of solute and solvent
- D. Molality of solution
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| 3 |
The relative lowering of vapour pressure is equal to the mole fraction of the solute. This law is known as |
- A. Ostwald dilution law
- B. Raoult's law
- C. Vant hoff's law
- D. Henry's law
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| 4 |
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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| 5 |
Which concentration unit is independent of temperature. |
- A. Molarity
- B. Molality
- C. ppm
- D. both a and b
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| 6 |
A solution of glucose is 10% The volume in which 1 g mole of it dissolved will be. |
- A. 1 dm3
- B. 1.8 dm3
- C. 900 cm3
- D. 200 cm3
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| 7 |
Heat of solution of an ionic compound is equal to. |
- A. Hydration energy
- B. Lattice energy
- C. Slum of both 'a' and 'b'
- D. Difference of both a and b
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| 8 |
Unit of mole fraction is |
- A. mol dm-3
- B. mol kg-1
- C. g dm-3
- D. No unit
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| 9 |
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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| 10 |
Solubility of which substance decreases by increasing temperature. |
- A. NaNO3
- B. KNO2
- C. NaCl
- D. Ce2(SO4)3
|