500 prompts matching "Exam practice: Transition metals and their compounds as catalysts"
Explain back: Oxidation and reduction in terms of electrons
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Calculation practice: Balancing a redox equation by oxidation number
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Quiz me: Ionic bonding and how it forms
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Explain back: Covalent bonding and the electron pairs atoms share
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Real-life Nigeria: Bonding and the properties of Nigerian building materials
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Teach me: Exothermic and endothermic reactions
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Quiz me: The energy profile diagram and how to read it
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Explain back: Activation energy and what it represents
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Calculation practice: Calculating the heat evolved in a reaction
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Quiz me: Measuring the rate of a reaction
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Calculation practice: Calculating an average rate from experimental data
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Chemistry at work: The collision theory and what it explains
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Quiz me: Diamond and graphite compared
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Real-life Nigeria: Charcoal and coal in Nigerian use
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Quiz me: How carbon dioxide is made, and what it does
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Explain back: Carbon monoxide, and why it is dangerous
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Real-life Nigeria: Carbon dioxide in Nigerian fire extinguishers and drinks
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Quiz me: Air pollutants and where they come from
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Explain back: Water pollution and its causes in Nigeria
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