Topic 9 - Reactions Of Acids

11 Questions | Total Attempts: 110

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Topic 9 - Reactions Of Acids

Standard Grade Chemistry course - Reactions of acids quiz


Questions and Answers
  • 1. 
    What is a neutraliser?
    • A. 

      A substance that can neutralise an acid only

    • B. 

      A substance that can neutralise an alkali only

    • C. 

      A substance that can neutralise an acid or an alkali

  • 2. 
    Which box or boxes are examples of neutralisation.
    • A. 

      Adding lime to acidic soil

    • B. 

      Using toothpaste to neutralise mouth alkalinity

    • C. 

      Using lemon juice to neutralise bee stings

    • D. 

      Using lemon juice to neutralise wasp stings.

  • 3. 
    Name the salt produced when sodium carbonate reacts with sulphuric acid.
    • A. 

      Sodium carbide

    • B. 

      Carbon sulphide

    • C. 

      Sodium sulphate

    • D. 

      Sodium sulphide

  • 4. 
    Complete the following equation: Magnesium oxide + hydrochloric acid -->
    • A. 

      Magnesium chloride + hydrogen

    • B. 

      Magnesium chloride + water

    • C. 

      Magnesium chloride + water + CO2

  • 5. 
    When lime is added to acidic soil, the pH will get lower.
    • A. 

      True

    • B. 

      False

  • 6. 
    A salt is a substance in which the ___________ ion of the acid has been replaced by a metal (or ammonium) ion.
  • 7. 
    Name the type of reaction when sodium carbonate solution is added to copper (II) sulphate solution.  (You may wish to use page 5 of the data booklet).
    • A. 

      Neutralisation

    • B. 

      Addition

    • C. 

      Precipitation

    • D. 

      Oxidation

  • 8. 
    Name the gas produced when magnsium reacts with nitric acid
    • A. 

      Hydrogen

    • B. 

      Carbon dioxide

    • C. 

      Nitrogen

    • D. 

      Oxygen

  • 9. 
    What is the average volume of acid used during the following titration.Rough titre - 25.2 cm31st titre     -  22.3 cm32nd titre    -  22.1 cm3
    • A. 

      22.2

    • B. 

      23.2

    • C. 

      44.4

    • D. 

      69.6

  • 10. 
    How many moles of HCl acid will be used if the volume is 20 cm3 and the concentration is 0.1 mol/l.
    • A. 

      0.02

    • B. 

      0.002

    • C. 

      2

    • D. 

      0.0002

  • 11. 
    What would be the concentration of magnesium hydroxide solution if 25 cm3 was needed to neutalise the HCl acid (conc 0.1, vol 20 cm3 ).Hint:  You will need to write a balanced equation
    • A. 

      0.4 mol/l

    • B. 

      0.04 mol/l

    • C. 

      0.08 mol/l

    • D. 

      0.1 mol/l

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