An element from oil A compound made from hydrogen and carbon only A compound made from hydrogen and carbon dioxide A mixture of two or more elements
Single bonds and double bonds At least one double bond Single bonds only Double bonds only
Doubly bonded hydrogen atoms At least one double bond Double bonds only Single bonds only
Saturated Quite wet Unsaturated Very dry
Butane Butene Propane Propene
To make polymers To make fire extinguishers To make airships float As fertilizer
Water Lime water Bromine water Soap
