500 prompts matching "Chemistry at work: Salt manufacture as an industry"
Exam practice: Evaporation to dryness and its limitations
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Spot my mistake: Choosing decantation where filtration is needed
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Real-life Nigeria: Separating mixtures in a Nigerian kitchen
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Real-life Nigeria: Distillation as practised locally in Nigeria
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Practice set: Sublimation as a method of separation
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Exam practice: Magnetic separation and the use of a separating funnel
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Real-life Nigeria: Chromatography in Nigerian food and drug testing
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Practice set: Working out the particles present in a given atom
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Exam practice: Ionisation and the formation of cations and anions
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Real-life Nigeria: Why some elements react vigorously and others hardly at all
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Practice set: Writing an equation from a described reaction
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Exam practice: Balancing an equation by inspection
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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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Spot my mistake: Leaving spectator ions in an ionic equation
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Calculation practice: Checking the charge balance in an ionic equation
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Real-life Nigeria: Hydrogen bonding and the behaviour of water
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Spot my mistake: Leaving the temperature in Celsius in a gas calculation
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