250 prompts matching "Predicting whether a salt solution is acidic or basic"
Practice set: Assigning oxidation numbers in compounds and in ions
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Teach me: Reduction defined, and always paired with oxidation
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Practice set: Balancing a redox equation by half-equations
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Teach me: The general physical properties of metals
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Quiz me: Where the metals sit in the periodic table
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Practice set: Density, melting point and hardness across the metals
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Calculation practice: Comparing metals by a density calculation
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Quiz me: The link between reactivity and the method of extraction
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Exam practice: The extraction of iron in the blast furnace
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Teach me: The general physical properties of non-metals
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Quiz me: Where the non-metals sit in the periodic table
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Practice set: The chemical behaviour of metals and non-metals compared
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Exam practice: The halogens as a family of non-metals
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Quiz me: The hydrides of the non-metals
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Exam practice: The tests that identify the common non-metal gases
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Calculation practice: Calculating the volume of a gas from a given mass
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