500 prompts matching "Valency, and how it is worked out from configuration"
Teach me: What hardness is, and what causes it
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Spot my mistake: Including a rough titre in the average
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
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Spot my mistake: Confusing cement with concrete
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Spot my mistake: Writing an inference where only an observation is asked for
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Practice set: Carrying out a titration to concordant results
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Spot my mistake: Losing marks by dropping units mid-calculation
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Spot my mistake: The time-management mistakes candidates make
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Spot my mistake: The topics I keep getting wrong, and why
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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: Writing an isomer that is really the same molecule
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Spot my mistake: Predicting a substitution reaction for an alkene
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Spot my mistake: Describing nylon as an addition polymer
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Spot my mistake: Naming coke as the substance that removes the impurities
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Spot my mistake: Calling zinc a typical transition metal
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Spot my mistake: Describing starch and cellulose as the same polymer
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Practice set: The titration curve and the equivalence point
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Practice set: Iodine and thiosulphate titrations
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