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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Rate of reaction

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3

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2

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Rate of reaction

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Paper 3Theory (Core)2 marks

Understanding the properties of catalysts is essential for their application in chemical processes.

Description

Properties of Catalysts

Catalysts lower the activation energy of reactions and remain unchanged after the reaction is complete.

  1. a

    State two properties of catalysts.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Rate of reaction

Paper 3Theory (Core)1 marks

Description

Catalysts in Industry

Catalysts are used in various chemical reactions to increase the rate of production. They are not consumed in the reaction and can be reused multiple times.

  1. a

    State the role of a catalyst in a chemical reaction.

    Aim for approximately 1 distinct marking point.

    [1]