Question

IV. Answer the following questions in detail:
1. Classify the following as pure substances or mixtures. In case of pure substances, classify
whether they are element or compound but in case mixture, identify whether there are
homogeneous or heterogeneous.
Air, milk, graphite, gasoline, tap water, distilled water, brass, oxygen, steel, iron, diamond,
sodium chloride, iodised table salt, silver​

Answer 1

Answer:

We can classify the following as pure substances or mixtures. In case of pure substances, classify

whether they are element or compound but in case mixture, identify whether there are

homogeneous or heterogeneous.

Air, milk, graphite, gasoline, tap water, distilled water, brass, oxygen, steel, iron, diamond,

sodium chloride, iodised table salt, silver. By so many methods like :-

✓. separation of components of mixture by sublimation.

✓. process of evaporation of water.

✓. separation of immiscible liquids.

✓. separation of two miscible liquids by distillation.

✓. Fractional distillation.

✓. separation of components of air.

Explanation:

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