500 prompts matching "Exam practice: Concentration expressed in moles per cubic decimetre"
Real-life Nigeria: Why some elements react vigorously and others hardly at all
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Chemistry at work: Electron configuration and the design of new materials
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Quiz me: The symbols for the first thirty elements
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Quiz me: Word equations and chemical equations compared
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Quiz me: Spectator ions and how to spot them
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Quiz me: Van der Waals forces and where they matter
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Quiz me: Boyle's law stated and illustrated
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Real-life Nigeria: Graham's law of diffusion and the uses made of it
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Real-life Nigeria: The water cycle and its importance
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Chemistry at work: The laboratory tests for water
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Project task: The treatment a town's water passes through before supply
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Quiz me: The difference between a base and an alkali
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Chemistry at work: The newer forms of carbon and what they promise
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Quiz me: How coal was formed, and the ranks of coal
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Chemistry at work: Carbon black, animal charcoal and their uses
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Real-life Nigeria: Carbonates and hydrogencarbonates and their reactions
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Real-life Nigeria: Isomerism, and why it matters
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Real-life Nigeria: Crystallisation from a saturated solution
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Quiz me: The hazard symbols and what each of them warns of
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Real-life Nigeria: First aid for the common laboratory accidents
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