500 prompts matching "Calculating the mass of washing soda needed to soften water"
Exam practice: The titration curve for each acid-base combination
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Exam practice: The salts that do not hydrolyse, and why
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Exam practice: Substitution with halogens, and the mechanism in outline
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Exam practice: The test that distinguishes saturated from unsaturated
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Exam practice: Esterification and the alkanoates
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Exam practice: Thermoplastics and thermosetting plastics compared
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Exam practice: The link between the reactivity series and the method used
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Exam practice: Transition metals and their compounds as catalysts
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Exam practice: Carbohydrates and their classification
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Practice set: Identifying cations with sodium hydroxide solution
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Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Practice set: Testing for chloride, bromide and iodide
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Spot my mistake: Reporting a sulphate result without acidifying first
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Calculation practice: Finding molarity from titre, volume and mole ratio
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Teach me: What makes a titration a redox titration
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Quiz me: Potassium permanganate as a self-indicating titrant
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Practice set: Iodine and thiosulphate titrations
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Chemistry at work: Redox titration in Nigerian industrial testing
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