473 prompts matching "Ores, and what extraction means"
Exam practice: Where hard water helps, and where it hinders
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Real-life Nigeria: Water pollution and its sources in Nigeria
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Quiz me: The difference between a base and an alkali
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Exam practice: The reactions of alkalis with acids and with ammonium salts
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Quiz me: The common indicators and their colour changes
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Practice set: Measuring pH with paper and with a meter
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Real-life Nigeria: PH in Nigerian soil testing and farming
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Practice set: The end point, and how it is recognised
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Practice set: The structure of graphite and the properties it gives
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Exam practice: The uses of diamond and of graphite
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Real-life Nigeria: Graphite in Nigerian pencils and electrodes
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Quiz me: How coal was formed, and the ranks of coal
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Practice set: Coke and the uses it is put to in industry
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Real-life Nigeria: Coal mining at Enugu and its history
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Practice set: Carbon monoxide, its preparation and its danger
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Real-life Nigeria: Carbonates and hydrogencarbonates and their reactions
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Quiz me: Catenation and the chains carbon can form
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Practice set: The alkane series and the formula that generates it
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Exam practice: Naming simple alkanes, alkenes and alkynes
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Real-life Nigeria: Isomerism, and why it matters
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