500 prompts matching "The amines and their basic character"
Chemistry at work: The jobs available in Nigerian chemical manufacturing
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Teach me: What a mixture is, and how it differs from a compound
You are my personal SS1 Chemistry tutor. Teach me what a mixture is, and how it differs fr
Quiz me: Homogeneous and heterogeneous mixtures
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Practice set: Decantation, and when it is appropriate
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Project task: Separating sand from salt at home
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Teach me: Crystallisation, and how it purifies a solid
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Quiz me: Simple distillation and what it separates
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Chemistry at work: Distillation in the Nigerian refining industry
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Quiz me: Paper chromatography and how it is carried out
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Practice set: Working out the particles present in a given atom
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Chemistry at work: The historical models of the atom compared
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Teach me: Why chemists use symbols rather than words
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Quiz me: The symbols for the first thirty elements
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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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Project task: Making a reference card of symbols and radicals
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Chemistry at work: The international agreement behind chemical symbols
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