500 prompts matching "Exam practice: The reactions of alkalis with acids and with ammonium salts"
Practice set: Converting between mass, moles and particles
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Practice set: Mass-to-mass calculations
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Real-life Nigeria: Stoichiometry in scaling up a reaction
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Quiz me: Boyle's law, Charles's law and the pressure law
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Practice set: Reading values and crystallisation from a curve
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Quiz me: The solubility rules for the common salts
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Explain back: Preparing a soluble salt from an acid and a metal
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Practice set: Preparing a soluble salt by titration
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Spot my mistake: Writing an isomer that is really the same molecule
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Chemistry at work: Alkanes as feedstock for the petrochemical industry
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Quiz me: Naming alkenes and alkynes with position numbers
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Chemistry at work: Alkenes in the Nigerian plastics industry
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Quiz me: Addition polymers and the monomers they come from
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Project task: Surveying the plastics used in my own home
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Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Explain back: Reduction with carbon, and when it works
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Practice set: Extraction by electrolysis, and when it is necessary
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Quiz me: The charge fed into the blast furnace
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Spot my mistake: Naming coke as the substance that removes the impurities
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