extraction of metals 4.5 / 5 based on 3 ratings ? ChemistryRocks, ores, metals and alloysIGCSEAQA Created by: Shiv PatelCreated on: 04-04-13 17:26 What is aluminium ore called? bauxite 1 of 12 What is iron ore called? haematite 2 of 12 What is titanium ore called? rutile 3 of 12 what is coke? pure carbon 4 of 12 why is the temperature so high in a blast furnace? so the coke can oxidise 5 of 12 what is limestone used for in the blast furnace? to remove acidic impurities 6 of 12 why is titanium not extracted with carbon? titanium would form strong bonds with the carbon to form titanium carbide 7 of 12 why is an argon environment required in the extraction of titanium? titanium chloride would react with the air 8 of 12 what type of reaction is aluminium extracted? reduction 9 of 12 why can't the blast furnace technique be used with aluminium? aluminium is more reactive than carbon 10 of 12 why does the anode have to be replaced regularly? it breaks down because co2 is formed at the anode 11 of 12 what is the chemical added to aluminium ore to make it become molten easier? cryolite 12 of 12
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