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Hydrocarbons - Alkanes - Alkenes - Quiz 1. What is a hydrocarbon? 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 Answer: 2. An alkane has Single bonds and double bonds At least one double bond Single bonds only Double bonds only Answer:Single bonds only 3. An alkene has Doubly bonded hydrogen atoms At least one double bond Double bonds only Single bonds only Answer:At least one double bond 4. Alkanes are Saturated Quite wet Unsaturated Very dry Answer:Saturated 5. The alkene with three carbon atoms is called Butane Butene Propane Propene Answer:Propene 6. Alkenes can be used To make polymers To make fire extinguishers To make airships float As fertilizer Answer:To make polymers 7. Alkenes can be distinguished from alkanes using Water Lime water Bromine water Soap Answer: What are the uses of Alkanes? What are the uses of Alkenes? How can alkenes be distinguished from alkanes using bromine water? Alkanes and Alkenes - Uses. Alkanes are unreactive and are mainly used as fuels. Alkenes are much more reactive than
alkanes Alkenes are the starting
material for many different
chemicals. An alkene may be distinguished from an alkane Bromine adds across
the double bond of an alkene |