G2 Science (Chemistry) Acids, Bases and Salts Practice
Practise K223/K225 acid-base questions, with feedback after each answer. Covers aqueous ions, indicators and pH, prescribed acid reactions, neutralisation, soil and ammonium-salt applications, and oxide classification. Strong/weak acids, salt preparation and ammonia manufacture are excluded.
You can take this as many times as you like.
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Practise
Questions are picked at random each time you start. You'll see your score, the answers and explanations at the end. It's for practice only and doesn't count towards mastery.
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Beyond the syllabus: optional enrichment that does not count towards your progress.