500 prompts matching "Water pollution and its sources in Nigeria"
Exam practice: Preparing an insoluble salt by precipitation
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Spot my mistake: Choosing a titration route for an insoluble salt
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Calculation practice: Calculating the mass of salt obtainable
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Quiz me: Predicting whether a salt solution is acidic or basic
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Practice set: The hydrolysis of a salt of a strong acid and a weak base
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Exam practice: The salts that do not hydrolyse, and why
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Spot my mistake: Assuming every salt solution is neutral
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Calculation practice: Estimating the pH of a hydrolysing salt solution
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Project task: Testing the pH of several salt solutions
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Spot my mistake: Writing an isomer that is really the same molecule
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Exam practice: The test that distinguishes saturated from unsaturated
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Spot my mistake: Predicting a substitution reaction for an alkene
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Calculation practice: Calculating the mass of product in an addition reaction
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Exam practice: Esterification and the alkanoates
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Spot my mistake: Oxidising a tertiary alkanol in an answer
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Calculation practice: Calculating the yield of an ester
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Quiz me: Addition polymers and the monomers they come from
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Spot my mistake: Describing nylon as an addition polymer
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Project task: Surveying the plastics used in my own home
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Quiz me: Concentrating an ore before extraction
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