Question

Crude oil is subjected to vacuum distillation in the last stage, because

a.

high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.

b.

lighter/low boiling products are prone to thermal decomposition.

c.

high purity products can be obtained thereby.

d.

none of these.

Answer: (a).high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.

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Q. Crude oil is subjected to vacuum distillation in the last stage, because

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