250 prompts matching "The organic chemistry errors examiners see most often"
Exam practice: The common oxidising and reducing agents and their tests
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Spot my mistake: Calling the oxidising agent the substance that is oxidised
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Exam practice: The reactivity series and how it is established
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Exam practice: The extraction of iron in the blast furnace
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Exam practice: The halogens as a family of non-metals
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Exam practice: The tests that identify the common non-metal gases
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Exam practice: Electrolysis and electrochemistry reviewed
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Exam practice: The hydrolysis of salts and the pH that results
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Spot my mistake: Treating concentration and strength as the same thing
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Exam practice: The procedure for a standard acid-base titration
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Spot my mistake: Rinsing the burette with water before filling it
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Exam practice: Finding the concentration of an unknown alkali
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Exam practice: The energy profile diagram and activation energy
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Spot my mistake: Omitting the sign of an enthalpy change
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Exam practice: The tests for water purity
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