500 prompts matching "Setting out a calculation so the examiner can follow it"
Spot my mistake: Confusing coal with coke in a question
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Real-life Nigeria: Coal mining at Enugu and its history
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Practice set: Naming a compound from its formula
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Chemistry at work: Why chemists use one shared symbolic language
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Practice set: Verifying a law of combination from given data
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Quiz me: Avogadro's number and what it counts
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Practice set: Converting between mass, moles and number of particles
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Quiz me: Naming compounds of metals with fixed valency
Act as my SS1 Chemistry tutor and quiz me on naming compounds of metals with fixed valency
Practice set: Naming compounds that contain radicals
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Chemistry at work: Why systematic naming matters in trade and medicine
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Quiz me: Reading mole ratios from a balanced equation
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Chemistry at work: Empirical and molecular formulae from composition data
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Quiz me: Strong acids and weak acids
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Quiz me: Normal salts, acid salts and basic salts
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Quiz me: Groups and periods, and what each tells you
Act as my SS1 Chemistry tutor and quiz me on groups and periods, and what each tells you.
Chemistry at work: How Mendeleev's table predicted undiscovered elements
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Practice set: Fractional distillation and what it separates
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Quiz me: Symbols, formulae and equations reviewed
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Practice set: Acids, bases and salts reviewed
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Quiz me: Electrolytes and non-electrolytes
Act as my SS1 Chemistry tutor and quiz me on electrolytes and non-electrolytes. Ask five q