434 prompts matching "Exam practice: Empirical and molecular formula from composition"
Quiz me: Air pollutants and where they come from
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Exam practice: A full SS1 Chemistry paper under examination conditions
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Project task: Separating sand from salt at home
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Exam practice: The fractional distillation of crude oil
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Calculation practice: Calculating an Rf value from measurements
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Exam practice: Isotopy, with examples of isotopes
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Calculation practice: Calculating relative atomic mass from isotope abundances
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Calculation practice: Deducing valency from a given configuration
Act as my SS1 Chemistry tutor. Walk me through deducing valency from a given configuration
Exam practice: Balancing an equation by inspection
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Exam practice: Ionic equations for neutralisation
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Exam practice: Coordinate or dative bonding
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Calculation practice: Predicting relative boiling points from structure
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Exam practice: Choosing the right indicator for a given titration
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Exam practice: Recording titration readings in a results table
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Calculation practice: Calculating an unknown concentration from titre values
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Calculation practice: Calculating the yield from destructive distillation
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Exam practice: The test that distinguishes carbon dioxide
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Calculation practice: Calculating the volume of carbon dioxide from a carbonate
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Exam practice: Expressing concentration in moles per cubic decimetre
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Exam practice: Measuring mass accurately with a balance
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