500 prompts matching "The presentation errors that lose practical marks"
Exam practice: Fertilisers and their effect on crop yield
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Project task: Surveying the chemicals in my own home
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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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Exam practice: Magnetic separation and the use of a separating funnel
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Project task: Building a chart of the first twenty atoms
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Exam practice: Ionisation and the formation of cations and anions
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Exam practice: The common radicals and the charges they carry
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Calculation practice: Checking that an equation balances by counting atoms
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Exam practice: The properties of Group 1, Group 7 and Group 0
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Project task: Comparing the properties of four given substances
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Exam practice: The ideal gas equation and the molar gas constant
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Project task: Measuring the volume of a gas produced in a reaction
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Project task: Testing the solubility of common substances
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Project task: The treatment a town's water passes through before supply
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Exam practice: Choosing the right indicator for a given titration
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Exam practice: The uses of diamond and of graphite
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Project task: Modelling the structures of diamond and graphite
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Exam practice: The products obtained from coal
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