500 prompts matching "Exam practice: The periodic table and separation techniques reviewed"
Spot my mistake: Including a pure solid in an equilibrium expression
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Chemistry at work: Functional groups in Nigerian pharmaceuticals
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Spot my mistake: Expecting a detergent to fail in hard water as soap does
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Spot my mistake: Assuming every coloured substance is a dye
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Spot my mistake: Describing painting as a chemical method of rust prevention
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Spot my mistake: Treating carbon dioxide as a toxic pollutant
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Spot my mistake: Assuming boiling removes every impurity from water
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Spot my mistake: Confusing cement with concrete
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Spot my mistake: Balancing a nuclear equation without conserving charge
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Spot my mistake: Assuming chemistry leads only to laboratory work
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Spot my mistake: Writing an inference where only an observation is asked for
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Spot my mistake: Losing marks by dropping units mid-calculation
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Chemistry at work: Deciding which optional questions to attempt
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Chemistry at work: How spectra reveal electronic structure
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Spot my mistake: Explaining a group trend by nuclear charge alone
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Spot my mistake: Describing a polar covalent bond as ionic
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Spot my mistake: Using molar volume for a substance that is not a gas
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Quiz me: Balancing equations of increasing difficulty
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Spot my mistake: Reading a mole ratio off an unbalanced equation
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