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The phenomenon by which plants derive wa...

The phenomenon by which plants derive water from their roots against the law of gravitation is called _____

A

Osmosis

B

Reverse Osmosis

C

Diffusion

D

Surface tension

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. Which of the following is not a colligative property.

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  2. According to Henry’s law amount of gas dissolved in a liquid is with ...

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  3. The phenomenon by which plants derive water from their roots against t...

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  4. Which of the following colligative property can provide molar mass of ...

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  5. Melting point is highest for:

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  6. Which of the following solution will have greater depression in freezi...

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  7. Which of the following is true for ideal solution?

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  8. During depression of freezing point in a solution which are in equilib...

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  9. After adding a solute freezing point of aqueous solution decreases to ...

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  10. 18g glucose is added to 178.2g water. The vapour pressure of water for...

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  11. A 0.004 M solution of Na2SO4 is isotonic with 0.010M solution of Gluco...

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  12. calculate the molal depression constant of a solvent having freezing p...

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  13. The mole fraction of solute in molal aqueous solution is

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  14. If alpha is the degree of dissociation of Na2SO4. Van’t Hoff’s factor ...

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  15. The van’t Hoff factor for BaCl2 at 0.01 M concentration is 1.98. The %...

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  16. Which of the following does not vary with temperature ?

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  17. Highest boiling point is found in –

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  18. Vapour pressure of pure solvent is 0.8 mm of Hg at a particular temper...

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  19. The solubility of a gas in a liquid is directly proportional to the pr...

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  20. An azeotropic mixture of two liquids boils at a lower temperature than...

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