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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Oxides

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Oxides

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Paper 4Theory (Extended)1 marks

Amphoteric oxides play a significant role in various chemical reactions.

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Reactivity of Amphoteric Oxides

Amphoteric oxides can react with both acids and bases, leading to the formation of salts and water.

  1. a

    State one example of an amphoteric oxide.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Oxides

Paper 4Theory (Extended)4 marks

Description

Reactions of Amphoteric Oxides

Amphoteric oxides can react with both acids and bases to form salts and water.

  1. a

    Explain the significance of amphoteric oxides in chemical reactions.

    Aim for approximately 4 distinct marking points.

    [4]