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Assertion:Reverse osmosis is used in the...

Assertion:Reverse osmosis is used in the desalination of sea water.
Reason: When pressure more than osmotic pressure is applied, pure water is squeezed out of the sea water through the membrane.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true and Reason is not the correct explanation of Assertion

C

Assertion is true but Reason is false

D

Both Assertion and Reason are false

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-SOLUTIONS -Objective Exercise -4
  1. Assertion: In diffusion the flow of solvent molecules occur in one dir...

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  2. Assertion: If blood cells are placed in pure water, they swell and bur...

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  3. Assertion:Reverse osmosis is used in the desalination of sea water. ...

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  4. Assertion:If more and more solute is added to a solvent, the freezing ...

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  5. Assertion:The molecular mass of acetic acid in benzene is more than th...

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  6. Assertion:NaCl in water and organic acids in benzene show abnormal mol...

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  7. Assertion:Solutions of identical concentrations always have same osmat...

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  8. Assertion:During the formation of solution entropy of system increases...

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  9. Assertion: Isotonic solutions do not show osmosis. Reason: Isotonic ...

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  10. Assertion: The relative lowering of vapour pressure for CH3COOH + H2O ...

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  11. Assertion: If two liquids on mixing form a solution with liberation of...

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  12. Assertion:When methanol is added to water boiling point of water decre...

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  13. Assertion:Camphor is used as solvent in the experi mental determinatio...

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  14. Assertion:Addition of salt decreases the freezing point of water. R...

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  15. Assertion:Ethylene glycol is added to water and used as antifreeze in ...

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  16. Assertion:Osmotic pressure of 0.1M glucose is less than 0.1M MgCl2 sol...

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  17. Assertion:Ideal solutions follow Raoult's law. Reason: DeltaH and D...

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  18. Assertion:Van't Hoff factor for electrolytes is always greater than un...

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  19. Assertion:Aqueous solution of urea is ideal. Reason: Ideal solutions...

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  20. Assertion:Ether has higher vapour pressure than water at a given tempe...

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