Ọ bụ gas na ọnọdụ okpomọkụ na nrụgide ọkọlọtọ, mana enwere ike ịpị ya ka ọ bụrụ mmiri mmiri. Ọ bụ ngwaahịa nke nhazi gas na mmanụ ala, a na-ejikarị ya eme ihe dị ka mmanụ ọkụ. Ọ bụ otu n'ime otu gas gas gas (LP gas). Ndị ọzọ gụnyere butane, propylene, butadiene, butylene, isobutylene, na ngwakọta ha. Ajụjụ: gịnị bụ propane?
atọ-carbon alkane na molekụla usoro C3H8