500 prompts matching "Graphite in Nigerian pencils and electrodes"
Quiz me: Concentrating an ore before extraction
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Practice set: Extraction by electrolysis, and when it is necessary
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Spot my mistake: Proposing carbon reduction for aluminium
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Calculation practice: Calculating the percentage of metal in an ore
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Quiz me: The charge fed into the blast furnace
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Exam practice: Converting pig iron into steel
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Spot my mistake: Naming coke as the substance that removes the impurities
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Calculation practice: Calculating the mass of iron from a mass of haematite
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Quiz me: Purifying bauxite before electrolysis
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Practice set: The properties of aluminium
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Spot my mistake: Describing aluminium oxide as purely basic
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Calculation practice: Calculating the electricity needed to extract aluminium
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Quiz me: The trends in physical properties down the group
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Spot my mistake: Predicting that iodine displaces chlorine
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Calculation practice: Calculating the volume of chlorine produced
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Quiz me: The preparation and properties of sulphur dioxide
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Practice set: The properties and reactions of sulphuric acid
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Spot my mistake: Adding water to concentrated sulphuric acid
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Calculation practice: Calculating the yield of sulphuric acid from sulphur
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Real-life Nigeria: The uses of sulphuric acid in industry
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