1) Sulphur is contained in all hydrocarbons a) True b) False 2) Sulphur dioxide causes acid rain? a) True b) False 3) Crude oil is separated into fractions by Fictional distillation. a) True b) False 4) Carbon dioxide causes global warming. a) True b) False 5) Alkanes have at least one double bond. a) True b) False 6) Fractions with a low boiling point are not good to use as fuels. a) True b) False 7) Smaller hydrocarbon molecules are runnier and less viscous. a) True b) False 8) During the combustion of fuels water vapour is given off. a) True b) False 9) During the combustion of fuels carbon dioxide and carbon monoxide is given off. a) True b) False 10) Alkane molecules are unsaturated molecules. a) True b) False 11) Hydrocarbon molecules consist of hydrogen and carbon molecules only. a) True b) False 12) Crude oil is a mixture of compounds. a) True b) False 13) Copper is extracted by electrolysis. a) True b) False 14) Aluminium and Titanium have a low density but are not resistant to corrosion. a) True b) False 15) Extraction of Aluminium and Titanium from their oxides is a very inexpensive process. a) True b) False 16) Smart alloys can return to their original shape aftre being deformed. a) True b) False 17) Elements in the central block of the periodic table are called Transformation metals. a) True b) False 18) Steel is an alloy of Iron, carbon, platinum and other metals. a) True b) False 19) Pure iron has a regular arrangement of atoms, with layers that can slide over each other. a) True b) False 20) Iron oxide is reduced in the blast firnace to make copper. a) True b) False 21) Iron from the blast furnace contains about 96% iron. a) True b) False 22) Another name for quicklime is calcium oxide. a) True b) False 23) Another name for slaked lime is calcium hydroxide. a) True b) False 24) Another name for limestone is Calcium Carbonic. a) True b) False 25) Calcium Carbonate can be decomposed by thermal constitution. a) True b) False

limestone oil and metals

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