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

(a) Miscible liquids are separated by fractional distillation.
(b) Immiscible liquids are separated by using a separating funnel.
(c) A mixture of kerosene and petrol can be separated by fractional distillation.
(d) The separation of liquids by fractional distillation is based on the difference in their boiling points.
(e) The gases of air can be separated by fractional distillation of liquid air because they have different boiling points.
(f) A heterogeneous mixture of liquid and solid is conveniently separated by centrifugation.
(g) If a mixture contains iron fillings as one of the constituents, it can be separated by using a magnet.