Question
Petroleum fractions are obtained mainly by which process at refineries?
This question was previously asked in
HTET 2025 Level 1 PRT Question Paper (5-Jul-2026)
The correct answer is
Fractional distillation
Crude petroleum is a mixture of many hydrocarbons with different boiling points, so refineries separate it into useful fractions such as petrol, kerosene, and diesel using fractional distillation. Each fraction vaporises and then condenses within its own characteristic temperature range inside a fractionating column.
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