500 prompts matching "Calculations on empirical and molecular formulae"
Practice set: Drawing dot-and-cross diagrams
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Spot my mistake: Describing a covalent compound as conducting when molten
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Quiz me: The energy profile diagram and how to read it
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Teach me: What the rate of a reaction means
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Quiz me: Measuring the rate of a reaction
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Exam practice: Catalysts and how they work
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Spot my mistake: Saying a catalyst is used up during a reaction
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Teach me: The allotropes of carbon
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Exam practice: The uses of each allotrope of carbon
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Real-life Nigeria: Charcoal and coal in Nigerian use
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Teach me: The oxides of carbon
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Exam practice: The laboratory test for carbon dioxide
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Spot my mistake: Confusing the two oxides of carbon in a test
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Teach me: What environmental chemistry studies
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Quiz me: Air pollutants and where they come from
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Spot my mistake: Confusing the greenhouse effect with ozone depletion
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Quiz me: Soaps and detergents, and how they clean
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Practice set: Drugs and medicines and their chemical basis
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Real-life Nigeria: Household chemicals and their safe use in Nigeria
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Quiz me: Chemical bonding reviewed
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