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Iodine is separated from sand by

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Important Questions on Elements, Compounds and Mixtures

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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 17
A mixture of methanol and acetone is separated by:
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 18
A mixture of red and blue ink can be separated by
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 19

Choose the correct statements using the codes given below:

I. Impure glycerine is purified by vacuum distillation.
II. Glycerine dissolves in water.
III. Water is a homogeneous mixture of hydrogen and oxygen.

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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 20
Chromatography is used to separate
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 21
During fractional distillation, the substance with-
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 22
Dialysis is used for the purification of-
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 23
Solution of CaO in water forms a-
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Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 24
Pure water is obtained from sea water by