Science 2 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEEdexcel Created by: Rachel SmithCreated on: 02-01-15 14:58 Elelctrolysis? Turns ionic compounds back into atoms 1 of 16 What is ore? Rocks/dirt that contain a certain metal-some attached to oxygen and some to sulfides 2 of 16 What is extraction? The methods by which metals are taken out of the Earth's crust 3 of 16 Oxidation? The gain of oxygen 4 of 16 Reduction? The loss of oxygen 5 of 16 Where do you find calcium carbonate? Limestone 6 of 16 What is the symbol for calcium carbonate? CaCo3 7 of 16 What is made when limestone is thermally decomposed? Calcium Oxide 8 of 16 CaCO3>CaO+CO2 Carbon dioxide is given off 9 of 16 Iron and steel? Steel is stronger than iron because of its atomic structure 10 of 16 3 main types of steel? Carbon, low allot steel, high alloy steel 11 of 16 Carbon steel? Used in cars, knives, buildings, machinery and it is the cheapest type of steel 12 of 16 Low alloy steel? More expensive as it contains 1% to 5% of other metals such as: nickel, titanium and tungster 13 of 16 High alloy steel? Contains even higher % of metals, used in cooking utensils and cutlery as it doesn't rust 14 of 16 Viscous? Volatile? Hydrocarbon? The thickness of a liquid, how well a liquid vaporises, made out of hydrogen and carbon 15 of 16 Fossil foils? Coal, oil, gas. 16 of 16
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