GCSE Chemistry C3 - All the Topic 1 'Qualitative Analysis' test

1. If copper ions are present, what will you see when NaOH is added?

  • A white suspension
  • A light blue precipitate
  • A dark green precipitate
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2. To test for aluminium ions, which alkali is added?

  • Sodium hydroxide
  • Hydrochloric acid
  • Lithium hydroxide

3. What colour flame do sodium atoms produce?

  • Orange - yellow
  • Brick red
  • Lilac

4. What colour flame do calcium ions produce?

  • Blue
  • Brick red
  • Lilac

5. If carbonate ions are present, which gas will be produced?

  • Hydrogen chloride
  • Carbon dioxide
  • Sulphur dioxide

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