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Chemistry 5070 · Cambridge (CAIE) O Level

Corrosion

6 past-paper questions on Corrosion · examined 2021–2025.

20253 questions

5070/12 · O/N · Q26 [1]Sign up to mark my answer →

A piece of zinc is attached to a steel car to prevent it from rusting. Which statement is correct?

5070/12 · O/N · Q26 [1]Sign up to mark my answer →

A piece of zinc is attached to a steel car to prevent it from rusting. Which statement is correct?

5070/12 · M/J · Q27 [1]Sign up to mark my answer →

Which statement explains why objects manufactured from aluminium corrode very slowly?

20232 questions

5070/11 · O/N · Q28 [1]Sign up to mark my answer →

Which statement about corrosion of metals is correct?

5070/12 · M/J · Q31 [1]Sign up to mark my answer →

Pieces of magnesium can be attached to the steel hull of a ship to prevent rusting. This is sacrificial protection. Which statements about sacrificial protection are correct?

20211 question

5070/12 · M/J · Q32 [1]Sign up to mark my answer →

Attaching pieces of magnesium to underground iron pipes can protect the iron from corrosion. Which reaction protects the iron from corrosion?

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