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A mixture contains four solid organic co...

A mixture contains four solid organic compounds containing A, B, C and D. On heating only C changes from solid to vapour state .C can be separated from the rest in the mixture by

A

distillation

B

sublimation

C

Fractional distillation

D

crystallisation

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The correct Answer is:
B
Sublimation
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DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Revision Q.F.Competitive exams
  1. Emprical formula of a hydrocarbon containing 80 % corbon and 20 % hydr...

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  2. If 0.2 g of an organic compound containing carbon,hydrogen and oxygen ...

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  3. A mixture contains four solid organic compounds containing A, B, C an...

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  4. In Kjedhal's method,, the nitrogen presence is estimed as

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  5. An organic compound with C =40 % and H= 6.7% will have the empirical f...

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  6. The equivalent wieght of an acid is equal to

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  7. A compound with empirical formula O(2) has a vapour density of 30.Its ...

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  8. The latest techique used for purification of organic compound is

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  9. Empricial formula of a hydrocarbon containing 80 % carbon and 20% hy...

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  10. Molecular mass of a volatile substance mat be obtained by

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  11. An organic compound with C =40 % and H= 6.7% will have the empirical f...

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  12. An organic compound with C =40 % and H= 13.33 % and N=46.67 % Its empi...

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  13. Empirical formula of compound is CH(2)O.If its molecular weight is 180...

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  14. The Beilstein test for organic compounds is used to detect

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  15. Which of the following is the scientific method to test presence of wa...

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  16. Which of the following has molecular weight of 92 ?

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  17. Empirical formula of a compound is CH(2)O. If its vapour density is 90...

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  18. Which of the following compounds does not show Lassaine's test for nit...

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  19. 0.1914 g of an organic acidi s dissolved in about 20 ml of water. 25 ...

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  20. An organic compound contains 49.3 % carbon,6.84 % hydrogen and its vap...

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