HKDSE (Hong Kong) · Chemistry

Metals and Corrosion

3 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 3 questions

  1. Which method does NOT prevent iron from rusting?
  2. Which metal is extracted from its ore by electrolysis?
  3. Which metal is placed lowest in the reactivity series among these?

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