250 prompts matching "Demonstrating the carbon dioxide test with limewater"
Practice set: The formation of a covalent bond in a simple molecule
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Calculation practice: Working out the formula of an ionic compound from its charges
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Exam practice: The structures of diamond, graphite and silica
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Real-life Nigeria: Alloys, and the reasons they are made
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Exam practice: Identifying the species oxidised in a reaction
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Calculation practice: Working out the change in oxidation number
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Practice set: Density, melting point and hardness across the metals
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Exam practice: The reactivity series and how it is established
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Real-life Nigeria: Choosing the right metal for a given Nigerian use
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Exam practice: The extraction of iron in the blast furnace
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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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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Calculation practice: Calculating the volume of a gas from a given mass
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Practice set: The electrolysis of brine and the products it gives
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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