logo

Cambridge IGCSE Chemistry practice

Paper 4 structured question: Corrosion of metals

Try the question first, then check the answer and practise the same topic again.

Attempt questionCorrosion of metals revisionRevise the key idea

At a glance

4

Paper

1

Marks

Topic

Corrosion of metals

Exam-style question

Try this first

Paper 4Theory (Extended)1 marks

Zinc is widely used in the galvanizing process to protect iron and steel from corrosion.

Description

Zinc in Galvanizing

Zinc serves both as a barrier and sacrificial protection for metals.

  1. a

    State the two main roles of zinc in galvanizing.

    Aim for approximately 1 distinct marking point.

    [1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 4 structured question: Corrosion of metals

Paper 4Theory (Extended)6 marks

Description

Galvanizing Process

Zinc coating prevents rusting and extends the life of iron and steel products.

  1. a

    Describe how zinc provides protection to iron and steel in galvanizing.

    Aim for approximately 6 distinct marking points.

    [6]