500 prompts matching "Making sulphur dioxide in the laboratory and testing it"
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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Practice set: The removal of impurities as slag
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Exam practice: Converting pig iron into steel
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Quiz me: Purifying bauxite before electrolysis
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Spot my mistake: Describing aluminium oxide as purely basic
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Practice set: The displacement reactions of the halogens
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Spot my mistake: Predicting that iodine displaces chlorine
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Exam practice: Nitric acid, its manufacture and its reactions
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Chemistry at work: Nitrogenous fertilisers in Nigerian farming
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Quiz me: The uses that follow from each carbon structure
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Spot my mistake: Describing carbon monoxide as an acidic oxide
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Teach me: What hardness is, and what causes it
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Practice set: Removing temporary hardness
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Spot my mistake: Expecting boiling to remove permanent hardness
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Quiz me: Straight fertilisers and compound fertilisers
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Practice set: Phosphate and potash fertilisers
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Spot my mistake: Assuming more fertiliser always means a better yield
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Quiz me: The characteristic properties of the transition metals
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Practice set: The coloured ions of the transition metals
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