1) Which of the following is not a fossil fuel? a) coal b) oil c) natural gas d) wood 2) What two elements do all hydrocarbons contain? a) Gold, Aluminium b) Carbon, Hydrogen c) Carbon, Helium d) Cobalt, Hydrogen 3) Propane has 3 carbon atoms, how many hydrogen atoms does propane have? a) 8 b) 10 c) 3 d) 6 e) 5 f) 9 4) True or false, coal is made from the fossilised remains of plants. a) True b) False 5) True or false. Crude oil is made from the fossilised remains of trees? a) True b) False 6) Monomers join together to form a) Dimers b) Trimers c) polymers d) Trollymers 7) Which alkane has 4 carbon atoms? a) Butane b) Methane c) Propane d) Ethane 8) Hydrocarbons with the longest chains will have the lowest boiling points a) True b) False 9) Hydrocarbons can be separated by ___________ distillation a) Functional b) Industrial c) Chemical d) Fractional 10) Hydrocarbons can be separated because they have different a) Flammabilities b) Viscosities c) Boiling points d) Melting points 11) How long does it take for crude oil to form? a) Billions of years b) Millions of years c) Thousands of years d) Hundreds of years 12) Methane has ___ Carbon atoms a) 1 b) 2 c) 3 d) 4 13) When hydrocarbons are burnt they always produce a) oxygen, hydrogen and water b) oxygen , carbon dioxide and water c) Carbon dioxide, hydrogen and water d) Carbon dioxide, water and heat 14) Polyvinylchloride is better known as a) polyethene b) PVC c) polypropene 15) Mnay ethene molycules join together to form the polymer a) polypropene b) polybutene c) polyethene d) polyester 16) Burning hydrocarbons is bad for the environment because it causes a) the green house effect b) the hole in the ozone layer to get bigger c) the temperature of the atmosphere to rise 17) Butane has how many hydrogen atoms a) 6 b) 8 c) 10 d) 12

hydrocarbons quiz

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