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

The electrical conductivity of ionic substances

19 practice questions

Start practising (3 questions)

Practice questions

1–3 of 3 · Hard

  1. Question 1

    2 marks · Hard

    Explain, in terms of ions, why solid sodium oxide does not conduct electricity.

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  2. Question 2

    5 marks · Hard

    Lead(II) nitrate is an ionic compound. It can be either solid, molten, or dissolved in water.

    (a)

    State whether lead(II) nitrate conducts electricity in each of the following states:

    StateDoes it conduct? (Yes/No)
    Solid
    Molten
    Aqueous solution
    [2 marks]
    (b)

    Explain, in terms of ions, why lead(II) nitrate behaves in this way in these states.

    [3 marks]
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  3. Question 3

    2 marks · Hard

    State the two conditions under which an ionic compound can conduct electricity.

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