CH-1499
Crude oil and fractional distillation
Chemistry · Secondary 4 · Hard · Crude oil and fractional distillation
Which statements about fractional distillation of petroleum are correct?
1 Lighter fractions have lower boiling points.
2 Heavier fractions contain molecules with longer carbon chains.
3 All fractions have the same average molecular mass.
1 Lighter fractions have lower boiling points.
2 Heavier fractions contain molecules with longer carbon chains.
3 All fractions have the same average molecular mass.
- 1 and 2 only
- 1 and 3 only
- 2 and 3 only
- 1, 2 and 3
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