Kémiailag mi a különbség?

Ja még fsságot is írtál amúgy :D

Light naphtha is the fraction boiling between 30 °C and 90 °C and consists of molecules with 5–6 carbon atoms. Light naphtha is used as a fuel in some commercial applications. One notable example is wick-based cigarette lighters, such as the Zippo, which draw “lighter fluid”—naphtha—into a wick from a reservoir to be ignited using the flint and wheel.