Assertion :The constituents of petroleum can be separated using fractional distillation. Reason: Fractional distillation is a method for separating heterogeneous liquid mixtures.

Assertion and reason both are correct statements and reason is the correct explanation for assertion.

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Assertion and reason both are correct statements but the reason is not the correct explanation for assertion.

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Assertion is correct statement but reason is wrong statement.

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Assertion and reason both are wrong statements

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Solution

The correct option is C Assertion is correct statement but reason is wrong statement.
The constituents of petroleum are gasoline, kerosene, lubricating oil, diesel oils, etc. The constituents have different boiling points and the difference is generally less than $25^{o} C$ . This difference in boiling point can be used to separate the constituents of petroleum using fractional distillation.

Fractional distillation is the process used to separate a homogeneous liquid mixture into its constituents that differ in boiling points.

Hence Assertion is correct but the reason is incorrect.

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