500 prompts matching "The major air pollutants and where they come from"
Calculation practice: Working out relative molecular mass from a formula
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Teach me: What a chemical equation represents
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Practice set: Writing an equation from a described reaction
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Spot my mistake: Altering subscripts in order to balance an equation
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Calculation practice: Checking that an equation balances by counting atoms
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Real-life Nigeria: Equations for reactions seen in Nigerian daily life
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Chemistry at work: Why balanced equations matter in industry
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Practice set: Ionic equations for precipitation reactions
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Spot my mistake: Leaving spectator ions in an ionic equation
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Chemistry at work: Ionic equations in analytical work
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Teach me: Why atoms form chemical bonds
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Spot my mistake: Showing electron transfer in a covalent compound
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Spot my mistake: Confusing a bond within a molecule with a force between molecules
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Calculation practice: Predicting relative boiling points from structure
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Calculation practice: Solving a Boyle's law problem numerically
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Chemistry at work: Gas behaviour in industrial processes
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Chemistry at work: Gas calculations in Nigerian industry
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Practice set: Water as a universal solvent
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Spot my mistake: Confusing a solution with a suspension
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