Question

Fill in the following blanks with suitable words (a) Miscible liquids are separated by .........................
(b) Immiscible liquids are separated by using a ........................
(c) A mixture of kerosene and petrol can be separated by ........................
(d) The separation of liquids by fractional distillation is based on the difference in their ............................
(e) The gases of air can be separated by fractional distillation of liquid air because they have different ......................
(f) A heterogeneous mixture of liquid and solid is conveniently separated by ............................
(g) If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................

Answer 1

Answer:

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Answer 2

Answer:

Fractional distillation is the process of separation of a mixture of two or more miscible liquids having very close boiling points (differing less than 25°C). Fractionating columns are used for distillation in this technique.

Importance:

a. It is useful in obtaining petroleum products from crude oil.

b. It is also useful in separating different components of air.