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Chemistry 1CH0 · Edexcel (Pearson) GCSE

Metal Extraction

5 past-paper questions on Metal Extraction · examined 2018–2018.

20185 questions

1CH0/1 · M/J · Q9(a)(i) [1]Sign up to mark my answer →

In this reaction (1) A carbon is reduced B iron oxide is neutralised C iron oxide is reduced D iron is oxidised

1CH0/1 · M/J · Q9(a)(ii) [3]Sign up to mark my answer →

The formula of the iron oxide is Fe2O3. Calculate the maximum mass of iron that can be obtained from 240 tonnes of iron oxide, Fe2O3. (relative atomic masses: O = 16, Fe = 56) mass of iron = ...................................................... tonnes

1CH0/1 · M/J · Q9(b) [2]Sign up to mark my answer →

Aluminium cannot be extracted by heating its oxide with carbon. Aluminium has to be extracted from its oxide by electrolysis. Explain why.

1CH0/1 · M/J · Q9(c) [1]Sign up to mark my answer →

Predict the method that will have to be used to extract calcium from its ore.

1CH0/1 · M/J · Q9(d) [6]Sign up to mark my answer →

Aluminium is extracted from its ore by electrolysis. Iron is extracted from its ore by heating with carbon. Both metals can also be obtained by recycling. Explain the advantages of recycling aluminium and iron rather than extracting them from their ores.

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