250 prompts matching "The anions the syllabus expects you to identify"
Calculation practice: Calculating the mass of iron from a mass of ore
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Spot my mistake: Balancing a nuclear equation without checking the mass number
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Calculation practice: Calculating the amount remaining after several half-lives
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Chemistry at work: The benefits and the hazards of nuclear chemistry
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Practice set: The cement industry in Nigeria
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Spot my mistake: The errors most often made in third-term SS2 Chemistry
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Exam practice: The structures of diamond, graphite and silica
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Exam practice: The common oxidising and reducing agents and their tests
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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 electrolysis of molten and of aqueous compounds compared
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Exam practice: The hydrolysis of salts and the pH that results
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Exam practice: The procedure for a standard acid-base titration
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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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Exam practice: The effect of temperature on the position of equilibrium
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Exam practice: The tests for water purity
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Exam practice: Solutions, water and the atmosphere reviewed
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Exam practice: The IUPAC rules for naming straight-chain hydrocarbons
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