The chromatographic technique is used for the
separation of__________.

camphor

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alcohol & water

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acetone and methanol

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plant pigments

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Solution

The correct option is C plant pigments
- Camphor is purified by sublimation.
- Alcohol & water forms azeotrope they are separated by simple distillation.
- Acetone & methanal forms azeotrope. They are separated by extractive distillation -
- coloured pigments are separated by chromatographic techniques.
The separated substance forms bands of colours called chromatogram.

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