500 prompts matching "The mole as the bridge between mass and particles"
Exam practice: Percentage yield, and why it falls short of a hundred
Act as my SS1 Chemistry teacher setting exam questions. Give me five exam-style questions
Quiz me: Strong acids and weak acids
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Calculation practice: Calculating the concentration of an acid solution
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Spot my mistake: Choosing the wrong preparation method for a given salt
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Calculation practice: Titration calculations and finding an unknown concentration
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Real-life Nigeria: Salts in Nigerian agriculture and food
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Quiz me: Groups and periods, and what each tells you
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Practice set: The trend in ionisation energy down a group
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Spot my mistake: Reading a group trend as though it were a period trend
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Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas
Practice set: Fractional distillation and what it separates
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Exam practice: Chromatography and how it works
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Real-life Nigeria: Separation methods in Nigerian salt and oil production
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Quiz me: The physical properties that make water unusual
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Exam practice: The laboratory preparation of hydrogen
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Quiz me: Separating the components of air
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Calculation practice: Calculating the volume of oxygen used in a reaction
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Quiz me: Symbols, formulae and equations reviewed
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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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Quiz me: Electrolytes and non-electrolytes
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