250 prompts matching "The presentation errors that lose practical marks"
Spot my mistake: Averaging titres that are not concordant
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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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Exam practice: How alkenes react by addition across the double bond
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Exam practice: The reactions of the alkanoic acids
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Exam practice: The uses of the common plastics
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Exam practice: The uses of each petroleum fraction
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Exam practice: Mild, medium and high carbon steel, and the use of each
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Exam practice: The paint and textile industries in Nigeria
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Practice set: The formation of a covalent bond in a simple molecule
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Calculation practice: Working out the formula of an ionic compound from its charges
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Real-life Nigeria: The properties of ionic and covalent compounds compared
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Spot my mistake: Explaining metallic conductivity by the movement of ions
Act as my SS2 Chemistry tutor. Show me a worked answer on explaining metallic conductivity
Real-life Nigeria: Alloys, and the reasons they are made
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Spot my mistake: Assigning an oxidation number without checking the overall charge
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Calculation practice: Working out the change in oxidation number
Act as my SS2 Chemistry tutor. Walk me through working out the change in oxidation number
Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
Act as my SS2 Chemistry tutor. Show me where oxidation in the rusting of Nigerian roofing