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Chemical changes case 015 reactivity-evidence. A student uses the reactivity series to justify an observation. Which option is best? Focus on why the insoluble solid added excess when preparing in Soluble salts, not on a neighbouring Unit 4.4 reaction idea.
- A.Chemical changes case 015 reactivity-evidence: Uses the relative reactivity order to predict the change for why the insoluble solid added excess when preparing
- B.Chemical changes case 015 reactivity-evidence: Chooses the product by memorising a colour instead of the series (Soluble salts)
- C.Chemical changes case 015 reactivity-evidence: Says any metal can displace any other metal ion (why the insoluble solid added excess when preparing)
- D.Chemical changes case 015 reactivity-evidence: Ignores whether the reacting substance is more or less reactive (Reactions of acids)
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