500 prompts matching "How carbon dioxide is made, and what it does"
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: The time-management mistakes candidates make
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Spot my mistake: The topics I keep getting wrong, and why
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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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Teach me: What periodicity means
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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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Teach me: What a balanced equation tells you quantitatively
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Spot my mistake: Reading a solubility curve without checking the units
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Real-life Nigeria: Fractional crystallisation and purification
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Spot my mistake: Choosing a titration route for an insoluble salt
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Project task: Preparing and crystallising a named salt
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Teach me: What salt hydrolysis means
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Explain back: The hydrolysis of a salt of a weak acid and a strong base
I have just studied the hydrolysis of a salt of a weak acid and a strong base in my SS3 Ch
Real-life Nigeria: Hydrolysis and soil pH in Nigerian farming
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Spot my mistake: Writing an isomer that is really the same molecule
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