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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)2 marks

The reactions of amphoteric oxides with acids and bases.

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Reactions of Amphoteric Oxides

Amphoteric oxides can neutralize acids and bases.

  1. a

    State the products formed when Al2O3 reacts with hydrochloric acid.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Oxides

Paper 4Theory (Extended)1 marks

Description

Amphoteric Oxides

Amphoteric oxides can react with both acids and bases. Examples include Al2O3 and ZnO.

  1. a

    State two examples of amphoteric oxides.

    Aim for approximately 1 distinct marking point.

    [1]