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6. What solution is added to a sample in order to detect Halide Ions?

  • Ethanoic acid
  • Hydrochloric acid
  • Copper Nitrate
  • Silver Nitrate
  • Sodium hydroxide

7. What colour precipitation indicates Bromide ions are present when silver nitrate solution is added to a sample?

  • Cream
  • Black
  • Yellow
  • Green
  • White

8. What colour precipitation indicates Iodide ions are present when silver nitrate solution is added to a sample?

  • Blue
  • Green
  • Yellow
  • White
  • Cream

9. What does adding barium chloride to a sample including sulfate ions produce?

  • A soluble precipitation of barium sulfate
  • A white insoluble precipitation of barium sulfate
  • A white insoluble precipitation of barium ions
  • A white insoluble precipitation of zinc sulfate

10. What is added to a sample to test for Nitrate ions?

  • Water
  • Sodium hydroxide and aluminium powder
  • Hydrochloric Acid
  • Aluminium powder
  • Sodium hydroxide