500 prompts matching "Crystallisation, and how it purifies a solid"
Real-life Nigeria: The salts used in Nigerian agriculture and food
Act as my SS3 Chemistry tutor. Show me where the salts used in Nigerian agriculture and fo
Real-life Nigeria: Hydrolysis and soil pH in Nigerian farming
Act as my SS3 Chemistry tutor. Show me where hydrolysis and soil pH in Nigerian farming tu
Chemistry at work: Hydrolysis and the choice of fertiliser
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Spot my mistake: Writing an isomer that is really the same molecule
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Real-life Nigeria: The alkanes in Nigerian fuels and cooking gas
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Practice set: The addition reactions of the alkenes
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Spot my mistake: Predicting a substitution reaction for an alkene
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Chemistry at work: Alcohols and acids in Nigerian food and drink industries
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on alcoho
Spot my mistake: Describing nylon as an addition polymer
Act as my SS3 Chemistry tutor. Show me a worked answer on describing nylon as an addition
Real-life Nigeria: The uses and properties of the common plastics
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Chemistry at work: Mining and metallurgy as careers in Nigeria
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on mining
Practice set: The removal of impurities as slag
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Spot my mistake: Naming coke as the substance that removes the impurities
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Real-life Nigeria: The types of steel and the uses of each
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Chemistry at work: The Nigerian iron and steel industry
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Real-life Nigeria: The halogens and their compounds in daily use
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Chemistry at work: The hazards of the halogens and their safe handling
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Chemistry at work: Sulphur dioxide and acid rain in Nigeria
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Chemistry at work: Nitrogenous fertilisers in Nigerian farming
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on nitrog
Real-life Nigeria: Carbonates, hydrogencarbonates and their reactions
Act as my SS3 Chemistry tutor. Show me where carbonates, hydrogencarbonates and their reac