237 prompts matching "Exam practice: Catalysts and how they work"
Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Spot my mistake: Assuming every metal is hard and dense
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Chemistry at work: Preparing a revision plan for the SS2 first term
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Spot my mistake: Treating concentration and strength as the same thing
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Teach me: The octet rule, and why atoms seek a full outer shell
You are my personal SS2 Chemistry tutor. Teach me the octet rule, and why atoms seek a ful
Real-life Nigeria: The properties of ionic and covalent compounds compared
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Teach me: The metallic bond and the delocalised electrons
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Calculation practice: Predicting a substance's structure from its properties
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Teach me: Oxidation defined by oxygen, by hydrogen and by electrons
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Teach me: Reduction defined, and always paired with oxidation
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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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Calculation practice: Comparing metals by a density calculation
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Teach me: Ores, and what extraction means
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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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Calculation practice: Predicting a non-metal's valency from its group
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Teach me: The oxides of non-metals and their acidic nature
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Calculation practice: Calculating the volume of a gas from a given mass
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