Carboxylic acids — Normal
Apply the topic independently and explain your method. No hints during the test.
Extension practice
Carboxylic-acid reactions, oxidation to ethanoic acid and esterification are additional practice beyond the listed organic chemistry.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- igcse-cambridge-cie-0973 2028–2029 · C11.1–C11.7
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