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Chemistry 5070 · Cambridge (CAIE) O Level
Rusting of Iron
5 past-paper questions on Rusting of Iron · examined 2023–2023.
20235 questions
5070/42 · M/J · Q1(a) [1]Sign up to mark my answer →
Name apparatus X.
5070/42 · M/J · Q1(b) [1]Sign up to mark my answer →
State why a stopper is used in Experiment B.
5070/42 · M/J · Q1(c) [1]Sign up to mark my answer →
State why the water in Experiment C is boiled before use.
5070/42 · M/J · Q1(d) [1]Sign up to mark my answer →
State why a layer of oil is used in Experiment C.
5070/42 · M/J · Q1(e) [2]Sign up to mark my answer →
Predict in which of the experiments the nail will have rusted. Explain your prediction.
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