500 prompts matching "Crystallisation, and how it purifies a solid"
Teach me: How the WAEC practical qualitative paper is set out
You are my personal SS3 Chemistry tutor. Teach me how the WAEC practical qualitative paper
Chemistry at work: Sources of error, and how candidates should discuss them
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Exam practice: Concentration, dilution and titration calculations
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Practice set: Percentage yield and percentage purity
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Exam practice: Empirical and molecular formula from composition
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Exam practice: The transition elements and their distinguishing features
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Teach me: How the WAEC Chemistry papers are structured and marked
You are my personal SS3 Chemistry tutor. Teach me how the WAEC Chemistry papers are struct
Practice set: Writing s, p and d electron configurations
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Real-life Nigeria: Configuration and an element's position in the table
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Exam practice: The trend in metallic character and in oxide acidity
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Practice set: Dative covalent bonding and where it occurs
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Real-life Nigeria: Bond type and the physical properties that follow from it
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Practice set: Reading values and crystallisation from a curve
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Real-life Nigeria: Buffer solutions and how they resist a change in pH
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Exam practice: Substitution with halogens, and the mechanism in outline
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Real-life Nigeria: Polymerisation of alkenes and the plastics it gives
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Practice set: Naming a polymer from its monomer, and the reverse
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Chemistry at work: Plastic waste and the disposal problem in Nigerian cities
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Practice set: Extraction by electrolysis, and when it is necessary
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Exam practice: The link between the reactivity series and the method used
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