500 prompts matching "Chemistry at work: Mining and metallurgy as careers in Nigeria"
Exam practice: The fractional distillation of crude oil
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Spot my mistake: Using simple distillation on liquids with close boiling points
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Calculation practice: Reading a distillation temperature curve
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Practice set: Valency deduced from electron configuration
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Calculation practice: Deducing valency from a given configuration
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Exam practice: The common radicals and the charges they carry
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Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
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Practice set: Ionic equations for precipitation reactions
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Exam practice: Ionic equations for neutralisation
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Spot my mistake: Leaving spectator ions in an ionic equation
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Calculation practice: Checking the charge balance in an ionic equation
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Exam practice: The properties of Group 1, Group 7 and Group 0
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Calculation practice: Predicting the formula of a compound from group numbers
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Exam practice: Coordinate or dative bonding
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Calculation practice: Predicting a compound's formula from the bonding type
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