34. Укажите вещество, являющееся углеводородом

A hydrocarbon is an organic compound consisting entirely of hydrogen and carbon atoms. Let's examine the options: 'этанол' (ethanol) contains oxygen, 'дихлорэтан' (dichloroethane) contains chlorine, 'уксусная кислота' (acetic acid) contains oxygen. 'Пропан' (propane) consists only of carbon and hydrogen atoms.

Answer: в) пропан