434 prompts matching "Exam practice: Empirical and molecular formula from composition"
Spot my mistake: Reading a group trend as though it were a period trend
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Chemistry at work: How Mendeleev's table predicted undiscovered elements
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Spot my mistake: Choosing distillation where filtration would do
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Spot my mistake: Confusing temporary hardness with permanent hardness
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Spot my mistake: Treating air as a compound rather than a mixture
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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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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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Chemistry at work: Redox reactions in Nigerian industry
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Spot my mistake: Describing a covalent compound as conducting when molten
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Spot my mistake: Giving an exothermic change a positive enthalpy
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Spot my mistake: Saying a catalyst is used up during a reaction
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Spot my mistake: Confusing the two oxides of carbon in a test
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Spot my mistake: Confusing the greenhouse effect with ozone depletion
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Spot my mistake: Assuming every chemical is harmful
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Spot my mistake: The errors most often made in third-term SS1 Chemistry
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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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Spot my mistake: Choosing decantation where filtration is needed
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Chemistry at work: Separation work in Nigerian laboratories
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