MCQ
The various compounds present in coal tar are separated by the process of:
- ASimple distillation.
- BDestructive distillation.
- ✓Fractional distillation.
- DFractional crystallisation.
Coal tar is a mixture of about $200$ substances. It is a black, thick liquid with unpleasant smell. Synthetic dyes, drugs, perfumes, plastics and paints. Naphthalene balls used to repel moths and other insects are also obtained from coal tar.
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