391 prompts matching "Exam practice: Identifying cations with aqueous ammonia"
Practice set: Sublimation as a method of separation
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Project task: Separating ink colours with paper chromatography
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Practice set: Working out the particles present in a given atom
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Practice set: Valency deduced from electron configuration
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Project task: Modelling electron arrangement with counters
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Practice set: Writing the formulae of simple binary compounds
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Spot my mistake: Writing a formula without balancing the charges
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Practice set: Writing an equation from a described reaction
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Practice set: Ionic equations for precipitation reactions
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Practice set: Predicting valency from the group number
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Practice set: Drawing dot-and-cross diagrams for simple molecules
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Project task: Modelling bonds with everyday materials
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Practice set: How structure determines melting and boiling point
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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Practice set: The pressure law and its graph
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Project task: Demonstrating a gas law with simple apparatus
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Practice set: Molar volume and its value at s.t.p.
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Practice set: Water as a universal solvent
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Spot my mistake: Confusing a solution with a suspension
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