500 prompts matching "Alloys, and the reasons they are made"
Chemistry at work: Separation work in Nigerian laboratories
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Practice set: Separating a mixture of two miscible liquids
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Spot my mistake: Using simple distillation on liquids with close boiling points
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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: Isotopy, with examples of isotopes
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Spot my mistake: Thinking isotopes of an element react differently
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Quiz me: Writing out an electron configuration
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Practice set: Valency deduced from electron configuration
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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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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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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Exam practice: Ionic equations for neutralisation
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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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Exam practice: Coordinate or dative bonding
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