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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Corrosion of metals

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Corrosion of metals

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Paper 3Theory (Core)2 marks

Rusting can lead to significant damage to metal structures.

Description

Consequences of Rusting

Rusting can weaken metal structures and lead to failure if not addressed.

  1. a

    Evaluate the importance of preventing rust in metal structures.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Corrosion of metals

Paper 3Theory (Core)2 marks

Description

Methods to Prevent Rust

Several methods can be used to prevent rusting of metals, including painting, greasing, and applying plastic coatings.

  1. a

    Describe the methods used to prevent rusting of metals.

    Aim for approximately 2 distinct marking points.

    [2]