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

1. What is phenolphthalein used for?

  • Titrations with a strong acid and a strong base, titrations with a strong acid and a weak base
  • Titrations with a strong acid and a strong base, titrations with a weak acid and a strong base
  • All titrations
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2. What colour flame do sodium atoms produce?

  • Lilac
  • Orange - yellow
  • Brick red

3. What colour flame do potassium ions produce?

  • Brick red
  • Lilac
  • Orange - yellow

4. Which colour precipitate will iron (II) produce when NaOH is added?

  • A dark green precipitate
  • A brown precipitate
  • A white suspension

5. What colour is phenolphthalein when nothing has been added?

  • Red
  • Colourless
  • Pink

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