G3 Science (Chemistry) Chemical Calculations Practice
Practise K326/K328 Chemical Calculations questions with feedback. Six stages covering formulae and ionic equations, relative masses and moles, reacting quantities, limiting reactants, gas volumes and solution concentration at Combined depth; percentage yield and purity are excluded.
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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.