500 prompts matching "Proposing boiling as a cure for permanent hardness"
Exam practice: The laboratory test for carbon dioxide
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Practice set: Soil pollution and the effects it has
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Exam practice: Acid rain, its formation and its effects
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Practice set: Drugs and medicines and their chemical basis
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Spot my mistake: Assuming every chemical is harmful
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Quiz me: The classes into which chemical industries fall
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Spot my mistake: Assuming every chemical plant makes the same kind of product
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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: Ionisation and the formation of cations and anions
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Spot my mistake: Giving an ion the same configuration as its parent atom
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Quiz me: The symbols for the first thirty elements
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Explain back: What a chemical formula tells you
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Practice set: Writing the formulae of simple binary compounds
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Spot my mistake: Writing a formula without balancing the charges
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Real-life Nigeria: Reading chemical formulae on Nigerian packaging
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Real-life Nigeria: Equations for reactions seen in Nigerian daily life
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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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Calculation practice: Predicting the formula of a compound from group numbers
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