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Why does water split on the floor disapp...

Why does water split on the floor disappear after some time?

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The correct Answer is:
A
Hint: mass by volume%
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ACCURATE PUBLICATION-SOLUTIONS -NUMERICAL QUESTIONS (3 MARKS)
  1. Why does water split on the floor disappear after some time?

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  2. Commercially available sample of sulphuric acid is 15% H2SO4 by weight...

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  3. Concentrated H(2)SO(4) has a density 1 . 9 g/mL and is 99% H(2) SO(4)...

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  4. Calculate the mass of a non-volatile solute (molar mass 40 g mol^(-1))...

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  5. 18 g of glucose is dissolved in 1 kg of water. At what temperature wil...

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  6. How many grams of ethylene glycol (molar mass = 62) should be added to...

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  7. Benzene and toluene form nearly ideal solution . At 313 K the vapou...

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  8. At 298 K the vapour pressure of pure benzene C(6) H(6) is 0.256 bar...

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  9. 200 cm^3 of an aqueous solution of a protein contains 1.26g of the pro...

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  10. 4 . 0 g of NaOH are contained in one decilitre of a solution. Calcula...

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  11. In winter, the normal temperature in Dharmshala is - 8^(@) C Is a 30%...

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  12. Calculate mole fraction of ethanol and water in a sample of rectified ...

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  13. 19.5 g of CH2FCOOH is dissolved in 500 g of water. The depression in t...

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  14. 4 . 0 g of NaOH are contained in one decilitre of a solution. Calcula...

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  15. At some temperature the vapour pressure of pure benzene, C(6) H(6) is ...

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  16. Vapour pressure of chlolfom (CHCI(3)) and dichloromethane (CH(2) CI(2...

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  17. The density of 10% by mass of KCI solution in water is 1 . 0 6 g mL^...

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  18. The vapour pressure of ethanol (C(6)H(5) OH) and methanol (CH(3) OH)...

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  19. Addition of 0.643g of a compound to 43.95g of benzene lowers the freez...

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  20. 18 g of a compound is dissolved in 10 kg of water so that the resu...

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  21. 35 g of compound is added in 1 kg of water so that the resulting sol...

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