500 prompts matching "Addition polymers and the monomers they come from"
Exam practice: Fertiliser and how it is manufactured in Nigeria
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Spot my mistake: Assuming every chemical plant makes the same kind of product
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Calculation practice: Calculating the yield of an industrial process
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Chemistry at work: The jobs available in Nigerian chemical manufacturing
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Exam practice: Evaporation to dryness and its limitations
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Teach me: Crystallisation, and how it purifies a solid
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Exam practice: The fractional distillation of crude oil
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Chemistry at work: Distillation in the Nigerian refining industry
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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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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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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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Explain back: Writing an ionic equation from a full equation
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Calculation practice: Checking the charge balance in an ionic equation
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Teach me: The arrangement of the modern periodic table
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Spot my mistake: Placing hydrogen wrongly in the periodic table
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