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

The properties of oxides

19 practice questions

Start practising (3 questions)

Practice questions

1–3 of 3 · Hard

  1. Question 1

    2 marks · Hard

    Calcium reacts with oxygen to form calcium oxide. State whether calcium oxide is acidic, basic or neutral. Explain your answer.

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  2. Question 2

    5 marks · Hard

    This question is about the nature of oxides.

    (a)

    Complete the table by identifying whether each oxide is acidic, basic or neutral.

    OxideType (acidic, basic or neutral)
    Sodium oxide
    Carbon dioxide
    [2 marks]
    (b)

    Explain your answers for both oxides, referring to the type of element each oxide is formed from.

    [3 marks]
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  3. Question 3

    2 marks · Hard

    When phosphorus is burned in oxygen, phosphorus(V) oxide is formed. State whether phosphorus(V) oxide is acidic, basic or neutral. Give a reason for your answer.

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