500 prompts matching "The difference between a base and an alkali"
Quiz me: Mole and mass conversions under time pressure
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Practice set: Gas volume and stoichiometry calculations
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Exam practice: Concentration, dilution and titration calculations
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Calculation practice: Percentage purity, yield and composition 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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Spot my mistake: Forgetting to balance the equation before using mole ratios
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Quiz me: Atomic number, mass number and isotopes
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Practice set: Writing s, p and d electron configurations
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Exam practice: The configuration of an ion compared with that of its atom
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Explain back: Covalent bonding, polar and non-polar
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Practice set: Dative covalent bonding and where it occurs
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Exam practice: Metallic bonding and hydrogen bonding
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Quiz me: Molar mass and how it is obtained
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Exam practice: Mass-to-volume and volume-to-volume calculations
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Calculation practice: Limiting reagent and percentage yield calculations
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Teach me: Solutions, suspensions and colloids distinguished
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Practice set: Reading values and crystallisation from a curve
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Real-life Nigeria: Fractional crystallisation and purification
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