250 prompts matching "The removal of impurities as slag"
Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Practice set: Giant structures and simple molecular structures compared
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Calculation practice: Predicting a substance's structure from its properties
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Quiz me: Recognising oxidation in a given equation
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Practice set: Balancing a redox equation by half-equations
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Calculation practice: Balancing a redox equation in acidic solution
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
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Explain back: Why metals conduct heat and electricity
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Calculation practice: Comparing metals by a density calculation
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Explain back: Extraction by reduction with carbon
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Practice set: Extraction by electrolysis
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: Non-metal compounds in Nigerian industry
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Quiz me: Strong electrolytes and weak electrolytes compared
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Spot my mistake: Predicting products without considering concentration
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Calculation practice: Applying Faraday's first law to a calculation
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Real-life Nigeria: Electroplating and metal purification in Nigeria
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Quiz me: Redox reactions reviewed
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