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Assertion: One molal aqueous solution of...

Assertion: One molal aqueous solution of urea con tains 60g of urea in 1000g of water.
Reason : Solution containing one mole of solute in 1000g solvent is called as one molal solution.

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: A solution is a homogeneous mixture of two or more chemical...

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  2. Assertion: The solubility of the gas in a liquid increa ses with incr...

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  3. Assertion: One molal aqueous solution of urea con tains 60g of urea in...

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  4. Assertion: One molar aqueous solution (d=1gm/cc) has always higher con...

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  5. Assertion: The pressure exerted by the vapour of a liquid at equilibri...

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  6. Assertion: At the same temperature water has higher vapour pressure th...

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  7. Assertion: Osmotic pressure is a colligative property. Reason: Osmo...

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  8. Assertion:Vapour pressure of water is less than 373K at 1.013 bar. R...

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  9. Assertion: Azeotropic mixtures are formed only by non-ideal solutions...

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  10. Assertion: In diffusion the flow of solvent molecules occur in one dir...

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

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

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

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

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

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

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

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

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

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

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