Extracting zinc, iron and aluminium

Created by: rawanaimat
Created on: 09-12-16 07:27

how to extract zinc

1) zinc sulfide is roasted in air 2) zinc oxide is formed 3) zinc oxide is reduced by carbon

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how to extract aluminum

1)dig out for bauxite and add NaOH to remove impurities such as Fe2O3 2) dissolve alumina in molten cryolite 3)carry out electrolysis

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how to extract iron

1) blow oxygen so carbon and sulfur become CO2 SO2 2) CO2 react with C to form CO 3) CO reduces iron oxide to iron and CO2 4) lime react with SIO2 and form ****

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converting iron into steel

1) oxygen is blown so non metal oxides react to form acidic oxides 2) carbon reacts with oxygen and escapes into air 3) limestone is added to remove acidic impurities and form **** 5) sulfur impurities are removed by reacting it with magnesium

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mild steel

iron +carbon.. addition of carbon interrupts the movements of atoms because it has different sides so its less malleable

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stanless steel

iron + chromium + nickel

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Other cards in this set

Card 2

Front

how to extract aluminum

Back

1)dig out for bauxite and add NaOH to remove impurities such as Fe2O3 2) dissolve alumina in molten cryolite 3)carry out electrolysis

Card 3

Front

how to extract iron

Back

Card 4

Front

converting iron into steel

Back

Card 5

Front

mild steel

Back

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Extracting zinc, iron and aluminium