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Acids, Bases and Salts

Quiz by Education Quizzes GCSE

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10 questions
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  • Q1
    What is an acid?
    A soluble base
    A substance that will neutralise an acid
    A chemical which changes colour when added to acids and alkalis
    A substance that produces H<sup>+</sup> ions when added to water
    30s
  • Q2
    What is an alkali?
    A substance that will neutralise an acid
    A soluble base
    A chemical which changes colour when added to acids and alkalis
    A substance that produces H<sup>+</sup> ions when added to water
    30s
  • Q3
    A substance with a pH of 6 is...
    neutral
    a strong acid
    a weak alkali
    a weak acid
    30s
  • Q4
    Pick the correct equation for the reaction between hydrochloric acid and iron oxide.
    Sulphuric acid + iron (III) oxide &#x2192; iron (III) chloride solution + water
    Hydrochloric acid + iron (III) oxide &#x2192; iron (II) chloride solution + water
    Hydrochloric acid + solid iron (III) oxide &#x2192; iron (III) chloride solution + water
    Hydrochloric acid + iron (III) oxide &#x2192; iron (III) chlorate solution + water
    30s
  • Q5
    We can react an acid and an alkali together to produce a salt. The correct name for this type of chemical reaction is...
    thermal decomposition
    neutralisation
    oxidation
    combustion
    30s
  • Q6
    When an acid and an alkali react, a salt and water are formed. Pick the correct salt produced when ammonium hydroxide reacts with nitric acid.
    Ammonium phosphate
    Ammonium nitrate
    Ammonium chloride
    Ammonium sulphate
    30s
  • Q7
    Salts can also be made by reacting metals with acids. What gas is given off when a metal reacts with an acid?
    Hydrogen
    Nitrogen
    Carbon dioxide
    Oxygen
    30s
  • Q8
    Precipitation reactions occur when an insoluble salt is formed. Precipitation reactions can be used in industry to...
    split large molecules into smaller ones
    remove metals from their ores
    remove unwanted impurities from metals
    remove some substances from waste water
    30s
  • Q9
    A strong acid...
    turns universal indicator paper green
    has a high pH number
    is partially ionised in water
    is 100% ionised in water
    30s
  • Q10
    Pick the correct combination of definitions.
    Acid - proton giver<BR> Alkali - proton donor
    Acid - proton donor<BR> Alkali - proton acceptor
    Acid - proton acceptor<BR> Alkali - proton acceptor
    Acid - proton acceptor<BR> Alkali - proton donor
    30s

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