Question

separating crude oil into different useful components by fractional distillation is called​

Answer 1

$Fractional \: \: distillation$

Explanation:

$Fractional \: \: distillation \: \: is \: \: an \: \: industrial \\ process \:\: by \: \: which \:\:the \: \: components \: \: of \: \: a \\ mixture \: \: are \: \: separated.\:\: This \: \: is \:\: a \: \: typical \\ method \:\: of \: \: distillation.$