500 prompts matching "The past questions most worth working through"
Chemistry at work: The uses of the gases separated from air
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Spot my mistake: Confusing the anode with the cathode
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Spot my mistake: Giving an exothermic change a positive enthalpy
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Chemistry at work: The collision theory and what it explains
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Project task: The place of carbon in living things
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Spot my mistake: Confusing the two oxides of carbon in a test
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Project task: The carbon cycle and its stages
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Spot my mistake: Confusing the greenhouse effect with ozone depletion
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Project task: Surveying the chemicals in my own home
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Spot my mistake: Assuming every chemical plant makes the same kind of product
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Chemistry at work: The jobs available in Nigerian chemical manufacturing
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Chemistry at work: Distillation in the Nigerian refining industry
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Spot my mistake: Reading a chromatogram without marking the solvent front
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Project task: Building a chart of the first twenty atoms
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Chemistry at work: The historical models of the atom compared
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Chemistry at work: Electron configuration and the design of new materials
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Spot my mistake: Writing a formula without balancing the charges
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Chemistry at work: The international agreement behind chemical symbols
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