Preparation of salts — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Salt preparation and hydration overlap; memorised general solubility rules and hydrate-formula calculations extend the named outcomes.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- igcse-cambridge-cie-0652 2025–2026 · C7.3; C10.1
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