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प्रश्न
What is chromatography? For which type of mixture is it used?
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उत्तर
This is one of the latest techniques to separate the coloured components of a mixture when all the components are very similar in their properties. Example: Components of ink are separated by this method. Ink is a mixture of different dyes, which are separated by chromatography because some of the dyes are less soluble and some are more soluble in a solvent.
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संबंधित प्रश्न
Differentiate between:
pure and impure substances
Write true or false
Milk is an emulsion.
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Sodium chloride and potassium nitrate
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State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two miscible liquids having different boiling points.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
Very Short Answer Type Question:
How will you separate mango from a mixture of mango and apple?
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What is meant by separation?
State whether the following statement is true or false.
A mixture of oil and water can be separated by filtration.
