Fractional distillation is used to divide petroleum into several useful fractions. Which statement about the properties of petroleum fractions is correct?
- AThe refinery gas fraction has a lower volatility than the gasoline fraction.
- BThe molecules in the gasoline fraction have a longer chain length than the molecules in the naphtha fraction.
- CThe naphtha fraction has a higher boiling point than the kerosene fraction.
- DThe fuel oil fraction has a higher viscosity than the diesel oil fraction.