250 prompts matching "Spectator ions and how to spot them"
Exam practice: Converting ammonia into nitrogenous fertiliser
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Exam practice: Single, double and triple covalent bonds
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Spot my mistake: Predicting ionic character from electronegativity difference
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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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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Quiz me: Identifying the oxidising agent and the reducing agent
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Exam practice: The common oxidising and reducing agents and their tests
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Quiz me: The link between reactivity and the method of extraction
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Spot my mistake: Proposing carbon reduction for a very reactive metal
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Spot my mistake: Assuming all non-metals are gases
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Chemistry at work: Metalloids, and where they sit between the two
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Spot my mistake: Describing a non-metal oxide as basic
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Quiz me: Strong electrolytes and weak electrolytes compared
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Spot my mistake: Predicting products without considering concentration
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