Kerosene and petrol mixture can be best separated by

by

Kerosene and petrol mixture can be best separated by

Sublimation
Separating funnel
Fractional distillation
Compressing and cooling
This question was previously asked in
UPSC NDA-2 – 2023
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The correct method to separate a mixture of kerosene and petrol is fractional distillation. Both kerosene and petrol are miscible liquids with different boiling points (petrol boils roughly between 40°C and 205°C, kerosene between 175°C and 325°C). Fractional distillation is used to separate miscible liquids that have close boiling points.
Fractional distillation is a technique used to separate miscible liquids with different boiling points, involving repeated vaporization and condensation steps within a fractionating column.
Sublimation is used for separating a solid that sublimes from a non-subliming solid or a liquid. A separating funnel is used to separate immiscible liquids. Compressing and cooling is a method used to liquefy gases.

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