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Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit

Inorganic Chemistry

869 practice questions

Topics covered

Practice questions

661–670 of 869

  1. Question 661

    4 marks · Normal

    The table below lists the reactants in several experiments. Complete the table by stating the salt and water produced for each reaction between an acid and a metal oxide.

    Reactions of acids with metal oxides
    AcidMetal oxideSalt formedWater formed?
    Sulfuric acidCopper(II) oxide
    Hydrochloric acidIron(III) oxide
    Nitric acidZinc oxide
    Answer and see the solution →
  2. Question 662

    1 mark · Normal

    Which of the following equations shows the products formed when potassium hydroxide reacts with nitric acid?

    1. A.KOH(aq) + HNO3(aq) → KNO3(aq) + H2O(l)
    2. B.KOH(aq) + HNO3(aq) → KNO2(aq) + H2(g)
    3. C.KOH(aq) + HNO3(aq) → KOH(s) + HNO3(aq)
    4. D.KOH(aq) + HNO3(aq) → K2O(aq) + NO2(g)
    Answer and check →
  3. Question 663

    2 marks · Normal

    Explain why the reaction between an acid and a metal hydroxide is classified as a neutralisation reaction.

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  4. Question 664

    4 marks · Normal

    Answer the following about soluble and insoluble metal oxides.

    (a)

    Name one metal oxide that is soluble in water.

    [1 mark]
    (b)

    Write the chemical equation for its reaction with water.

    [1 mark]
    (c)

    State the product that makes the resulting solution an alkali.

    [1 mark]
    (d)

    Explain why most other metal oxides do not form alkalis when mixed with water.

    [1 mark]
    Answer and see the solution →
  5. Question 665

    3 marks · Normal

    Hydrochloric acid reacts with sodium hydroxide in a neutralisation reaction.

    Explain, using what happens to the ions in this reaction, why this process is classified as a neutralisation reaction.

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  6. Question 666

    2 marks · Hard

    State the general word equation for the reaction between an acid and a metal oxide. Your answer should refer to the type of products formed.

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  7. Question 667

    5 marks · Hard

    Lead(II) oxide reacts with sulfuric acid in a laboratory experiment.

    (a)

    Name the type of chemical reaction that takes place.

    [1 mark]
    (b)

    Give the names of the products formed in this reaction.

    [2 marks]
    (c)

    Write a word equation for the reaction.

    [1 mark]
    (d)

    Give a chemical symbol equation for the reaction.

    [1 mark]
    Answer and see the solution →
  8. Question 668

    2 marks · Hard

    Explain why the reaction between an acid and a metal oxide is called a neutralisation reaction. Use your knowledge of ions to support your answer.

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  9. Question 669

    3 marks · Easy

    Hydrochloric acid reacts with magnesium carbonate in an aqueous solution.

    (a)

    Write the balanced chemical equation for this reaction.

    [2 marks]
    (b)

    Name the salt formed in this reaction.

    [1 mark]
    Answer and see the solution →
  10. Question 670

    2 marks · Easy

    A student adds sodium carbonate to an excess of dilute sulfuric acid in a beaker.

    (a)

    Name all products formed in this reaction.

    [1 mark]
    (b)

    State the gas produced.

    [1 mark]
    Answer and see the solution →