Rusting & Extracting Metals

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What are the two metals which can be extracted using Carbon?
Zinc and Iron
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What name is given to metals which are found in nature and are not combined with other elements?
Native metals
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What is an ore?
A solid metal that can be extracted economically
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Write a word equation for the reduction of Zinc Oxide with Carbon
Zinc Oxide + Carbon --> Zinc + Carbon Monoxide
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What is the most common ore of Iron?
Haematite
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What is the main impurity of Haematite?
Sand
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What is the chemical name for limestone?
Calcium Carbonate
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Write a balanced equation to show how limestone undergoes thermal decomposition in the blast furnace?
CaCO3 --> CaO + CO2
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What is meant by the term reduction?
The removal of Oxygen
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How would you stop Iron rusting?
Get the Iron chromed, electro-polished, painted, plated with zinc or coated in Polyethane
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Explain why heating Zinc Oxide turns to Zinc when heated with Carbon?
Carbon is higher up in the reactivity series --> Carbon will displace the Oxygen from Zinc.
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What type of reaction has metals reduced and gases oxidised?
Redox reactions
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Which metal is used for galvanising?
Zinc
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Other cards in this set

Card 2

Front

What name is given to metals which are found in nature and are not combined with other elements?

Back

Native metals

Card 3

Front

What is an ore?

Back

Preview of the front of card 3

Card 4

Front

Write a word equation for the reduction of Zinc Oxide with Carbon

Back

Preview of the front of card 4

Card 5

Front

What is the most common ore of Iron?

Back

Preview of the front of card 5
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