CH-1422
Crude oil and fractional distillation
Chemistry · Secondary 4 · Hard · Crude oil and fractional distillation
Petroleum is separated into fractions by fractional distillation in a tall column.
Which statement about the fractions obtained is correct?
Which statement about the fractions obtained is correct?
- The gasoline fraction is obtained below the diesel fraction in the column.
- The fraction collected at the top of the column has the highest boiling point.
- The lubricating oil fraction is used to make polishes and waxes.
- The compounds near the bottom of the column have smaller relative molecular masses than those near the top.
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