Question

CONSTRUCT AN EXPLANATION REGARDING DISTILLATION AND FILTRATION AS SEPARATION TECHNIQUES FOR HOMOGENEOUS AND HETEROGENEOUS MIXTURES.

Answer 1

Answer:

heterogeneous mixtures, two or more ingredients (or phases, regions with uniform composition and properties) intermingle, but remain physically separate. Often it is possible to separate the original ingredients by physical means, such as filtering.

Explanation:

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Answer 2

Distillation:

• By distillation, we can separate solid-liquid mixture which is homogeneous. For example: Solution of salt in water.

• The apparatus is shown in attachment 1.

• The mixture is boiled in a distilled flask.

• The vapours coming out condense while passing through a Liebig condenser in which they are cooled by the water circulating in the outer jacket.

• The pure liquid water is collected in a receiver, whereas the solid soluble salt remains in the distillation flask.

• This is how distilled water is prepared in the laboratory.

Filtration:

• By filtration, we can separate liquid from an insoluble salt that is heterogeneous mixture can be separated out.

• A filter paper is prepared and fitted into the funnel.

• The apparatus is shown in attachment 2.

• The solid-liquid mixture is allowed to stand for sometime.

• The supernatant liquid is poured along a glass rod into the funnel.

• The liquid passes through, whereas solid collects on the filter paper.

• The clear liquid thus obtained is called filtrate.

• We can separate sand and chalk from water by this method.

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