4:01 know that a hydrocarbon is a compound of hydrogen and carbon only Hydrocarbon: A molecule containing only hydrogen and carbon Hydr0Gen2018-04-25T21:49:32+00:00Categories: (a) Introduction, 4 Organic chemistry, Edexcel iGCSE Chemistry|Tags: 4:01, Chemistry, Double, GCSE, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Alkanes & Crude Oil, Topic: Alkenes & Polymers|