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5.1 Obtaining and using metals

5.1 Obtaining and using metals

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Question 88

During a laboratory demonstration, black copper(II) oxide is heated in a stream of hydrogen gas to produce copper metal and water vapour.

The equation for this reaction is:

CuO+H2→Cu+H2O \text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2\text{O} CuO+H2​→Cu+H2​O

Explain, using this equation, which substance has been oxidised in this reaction.

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Markscheme

5.1 Obtaining and using metals Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Obtaining and using metals

110 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.

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