Chemistry
Which method is used to separate the components of crude petroleum ?
- distillation
- crystallisation
- chromatography
- fractional distillation
Elements, Compounds & Mixtures
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Answer
fractional distillation
Reason — Fractional distillation is used to separate the components of crude petroleum. Since crude oil consists of different hydrocarbons with varying boiling points, fractional distillation helps separate them into fractions such as gasoline, diesel, kerosene, and other petroleum products.
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Assertion (A): Elements and compounds are pure substances.
Reason (R): Elements and compounds are made up of only one kind of atoms and molecules respectively.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Mixtures are impure substances made up of two or more kinds of elements and compounds mixed together in any proportion.
Reason (R): Homogeneous mixtures have a uniform composition throughout their bulk.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.