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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
Fill in the blank
Mixtures can be ...................... or .....................
Fill in the blank
................. is used when the constituents of a mixture of solids have difference in their weights
Tick the most appropriate answer
The methods of separating components of a given mixture are based on the
- physical properties and state of the components.
- colour of the components only.
- state of the components.
- none of these
Tick the most appropriate answer.
The different constituents of ink are separated by
Name the different types of chromatographic techniques.
Name the following:
The compound containing one atom of sulphur and two atoms of oxygen.
Explain with diagram the process used to – separate the following substance from the given mixtures - Different dyes – in their liquid constituent ink.
Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water, and coins. Draw a flow chart to show the separation process.
Separation of sugar from tea can be done with filtration.
Name the two phases in the separation of the mixtures in chromatography.
