Reversible reactions and equilibrium — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Extension practice
Dynamic equilibrium and the Haber/Contact process conditions are not listed in this qualification’s chemistry outcomes.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- igcse-cambridge-cie-0653 2028–2029 · C6.1–C6.3
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