Other questions in this quiz

2. Which of these are posionous salts which need to be removed from drinking water?

  • Phosphates and nitrates
  • Magnesium compounds
  • Sulfates and carbonates
  • Hydrocarbons

3. What happens if you react any acid(including carboxylic) with a carbonate?

  • A salt and carbon dioxide produced
  • Hydrogen produced only
  • A salt and hydrogen produced
  • Oxygen and water produced

4. Identifying metal ions, what are the colours shown when using a flame test for the ions in this order: Barium, Calcium, Potassium, Lithium, Sodium

  • Green, Brick-Red, Lilac, Crimson, Yellow
  • Yellow, Green, Brick- Red, Crimson, Lilac
  • Lilac, Brick-Red, Crimosn, Yellow, Green
  • Green, Yellow, Lilac, Crimson, Brick-Red

5. Scale forms on the inside of pipes boilers and kettles when hard water is heated. What is this mostly made of?

  • Ethyl Ethanoate
  • Hydrochloric Acid
  • Calcium Carbonate
  • Magnesium Sulfate

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