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5.1 Obtaining and using metals

5.1 Obtaining and using metals

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Question 18

Barium reacts with water to form barium hydroxide, Ba(OH)2\text{Ba(OH)}_2Ba(OH)2​, and hydrogen, H2\text{H}_2H2​.

Ba(s)+2H2O(l)→Ba(OH)2(aq)+H2(g) \text{Ba(s)} + 2\text{H}_2\text{O(l)} \rightarrow \text{Ba(OH)}_2\text{(aq)} + \text{H}_2\text{(g)} Ba(s)+2H2​O(l)→Ba(OH)2​(aq)+H2​(g)

Describe two things that would be seen when a small piece of barium is added to a beaker of water.

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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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