What are the names of the substances CH4 C2H6 C3H8?

These substances belong to a class of organic compounds called “Alkanes”.
Alkanes are linear or branched acyclic hydrocarbons containing only simple bonds and forming a homologous series with the general formula CnH2n + 2.
CH4 is methane, C2H6 is ethane, C3H8 is pentane.

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