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Class 11 Chemistry Practice Test: Organic Chemistry - Methods of Purification of Organic Compounds
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Commonly used techniques for the separation and purification of organic compounds are: (a) Crystallisation, (b) Sublimation (c) Distillation (d) Fractional distillation (e) Steam distillation (f) Azeotropic distillation (g) Differential extraction and (h) Chromatography

Class 11 Chemistry Practice Test: Organic Chemistry - Methods of Purification of Organic Compounds
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15 Questions

1. Which type of chromatography involves the separation of a mixture over a column of adsorbent packed in a glass tube?
2. The mobile phase in chromatography can comprise of which of the following?
3. What is the basis for the process of distillation?
4. In fractional distillation, vapors of low boiling point component ascend to the top of the column.
5. Gas chromatography can be performed in X, whereas liquid chromatography can be performed in Y. Identify X and Y.
6. Paper chromatography is a type of which chromatography?
7. Thin layer chromatography is used to estimate drugs in formulation.
8. Identify the example of compounds separated by steam distillation method.
9. The purification method where solid substances change from solid to vapor state without passing through the liquid state is called as which of the following?
10. In crystallization, the compound dissolved in a solvent is more soluble in what temperature?
11. What is the paper strip developed in partition chromatography called?
12. Which is the most suitable carrier gas in gas chromatography?
13. Which is not used as an absorbent in adsorption chromatography?
14. Which of the following is the apparatus for differential extraction?
15. In column chromatography, identify the mobile and stationary phase from the following.

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