Corrosion
6 past-paper questions on Corrosion · examined 2021–2025.
20253 questions
A piece of zinc is attached to a steel car to prevent it from rusting. Which statement is correct?
A piece of zinc is attached to a steel car to prevent it from rusting. Which statement is correct?
Which statement explains why objects manufactured from aluminium corrode very slowly?
20232 questions
Which statement about corrosion of metals is correct?
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
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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