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14 Cards in this Set
- Front
- Back
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Put these metals in their order of reactivity: carbon, magnesium, copper, iron & potassium |
copper, iron, carbon, magnesium, potassium |
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Complete the equation: Copper Oxide + Carbon => |
Carbon Dioxide + Copper |
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What is an ore? |
A naturally occurring rock that contains metal or metal compounds |
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How is iron extracted? |
by reaction with carbon or carbon monoxide |
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What is an alloy? |
A metal made by combining 2 or more metallic elements |
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Describe the process of smelting... |
an ore is heated at a very high temperature in an enclosed furnace. Once melted, the lighter components rise to the top and float on the molten metal. |
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Describe the process of displacement... |
the more reactive element displaces a less reactive element from its compound. |
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Describe the process of bioleaching... |
bacteria absorbs copper compounds and produces solutions called leachates. |
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Describe the process of phytomining... |
plants containing concentrated copper compounds are burnt to produce ashes. |
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Write the equation for the displacement of mercury sulphate and carbon |
Mercury Sulphate + Carbon => Carbon Sulphide + Mercury |
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Give two properties of aluminium |
- Strong and malleable - Low density |
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Give two uses of aluminium |
- Construction of aircraft - Drink cans |
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Give two properties of titanium |
- Corrosion resistant - High melting point |
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Give two uses of titanium |
- Replacement hip joints - Pipes |
