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A mixture containing urea and napthalene...

A mixture containing urea and napthalene can be separated by

A

Filtration

B

Sublimation

C

Chromatographic

D

Distillation

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AAKASH INSTITUTE ENGLISH-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -Assignment(SECTION-A)
  1. The hybridization and Shape of overset((-))(CH(3)) is respectively

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  2. Number of C atoms which are present linearly in vinyl acetylene is.

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  3. A mixture containing urea and napthalene can be separated by

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  4. Principle of crystallization method depends on

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  5. Chloroform and aniline can be purified by

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  6. The principle involved in gas liquid chromatography (GLC) is

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  7. Steam distillation is applied for the separation of those compounds wh...

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  8. The process of differential extraction is based upon

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  9. Glycerol decomposes at its boiling point, the purification of glycerol...

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  10. The Na metal is used in "Lassaigne’s test" is due to

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  11. Which of the following compound will give blood red colour while doing...

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  12. The violet-red colour in the Lassaigne’s test of sulphur is due to ...

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  13. The function of boiling the sodium extract with concentrated nitric ac...

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  14. A mixture of acetone and methanol can be separated by

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  15. In dumas method for the estimation of nitrogen in an organic compound,...

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  16. 0.2g of an organic compound on complete combustion produces 0.18g of w...

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  17. The substance which can be used as adsorbent in column chromatography ...

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  18. In the estimation of Duma's method 1.18 of an organic compound gave 22...

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  19. 0.5 g of an organic compound cantaining N on Kjeldahl analysis require...

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  20. 0.4 g of Organic Compound gave 0.188g of AgBr. The percentage of Br in...

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