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Exam-style practice

Corrosion of metals answer explanations

Review worked answers and explanations for Corrosion of metals. Aligned to Cambridge IGCSE Combined Science.

Answer explanations

Question 1 of 6

Review the answer support, then move sideways through the set.

Paper 3 structured question: Corrosion of metals

Paper 3Theory (Core)2 marks

Description

Rusting Process

Iron rusts when it is exposed to moisture and oxygen, leading to the formation of iron oxide.

  1. a

    Explain the conditions necessary for iron to rust.

    [2]