Petroleum is separated into its components is

At a refinery, petroleum is separated into several components by a process called fractional distillation using a fractionating column. Which of the following statements is correct about the fractional distillation of petroleum?

When apoenzyme is separated from its metal component, its activity is :

Which of the following solutions can be separated into its pure components by fractional distillation ?

Which of the following pairs of solutions can be separated into its pure components by fractional distillation

How are gases separated into components from liquid air?

Separation of petroleum into its components is done by

How do you separate the two components?