500 prompts matching "The Bronsted-Lowry definition of acids and bases"
Exam practice: Graham's law of diffusion
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Spot my mistake: Adding water to concentrated sulphuric acid
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Spot my mistake: Describing carbon monoxide as an acidic oxide
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Quiz me: The preliminary tests carried out on an unknown salt
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Spot my mistake: Adding excess reagent too early and losing a precipitate
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Teach me: The anions the syllabus expects you to identify
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Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
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Practice set: Testing for chloride, bromide and iodide
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Exam practice: Testing for nitrate and for nitrite
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Exam practice: Recording and averaging concordant titres
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Spot my mistake: Including a rough titre in the average
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Calculation practice: Finding molarity from titre, volume and mole ratio
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Practice set: Iodine and thiosulphate titrations
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Exam practice: The conditions a redox titration requires
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Practice set: Predicting from electrode potentials whether a reaction occurs
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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
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Spot my mistake: Assuming the order matches the stoichiometric coefficient
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