500 prompts matching "Buffer solutions and how they resist a change in pH"
Exam practice: The reactions of alkalis with acids and with ammonium salts
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Spot my mistake: Calling every base an alkali
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Chemistry at work: The uses of bases in Nigerian industry
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Exam practice: Choosing the right indicator for a given titration
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Spot my mistake: Reading a pH of 7 as meaning no ions are present
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Chemistry at work: PH control in Nigerian food processing
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Exam practice: Recording titration readings in a results table
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Spot my mistake: Reading a burette from the wrong part of the meniscus
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Practice set: The structure of graphite and the properties it gives
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Exam practice: The uses of diamond and of graphite
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Spot my mistake: Explaining graphite's conductivity by the wrong structure
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Exam practice: The products obtained from coal
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Spot my mistake: Confusing coal with coke in a question
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Chemistry at work: Carbon black, animal charcoal and their uses
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Practice set: Carbon monoxide, its preparation and its danger
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Exam practice: The test that distinguishes carbon dioxide
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Spot my mistake: Assuming both oxides of carbon behave the same way
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Real-life Nigeria: Carbonates and hydrogencarbonates and their reactions
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Practice set: The alkane series and the formula that generates it
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Spot my mistake: Naming a branched chain from the wrong end
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