500 prompts matching "Proposing boiling as a cure for permanent hardness"
Practice set: Calculating the mass of product from the mass of reactant
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Chemistry at work: Empirical and molecular formulae from composition data
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Real-life Nigeria: Acids and bases in Nigerian food and cleaning
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Teach me: What a salt is, and how salts are classified
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Quiz me: Normal salts, acid salts and basic salts
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Spot my mistake: Choosing the wrong preparation method for a given salt
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Spot my mistake: Reading a group trend as though it were a period trend
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Real-life Nigeria: The alkali metals and the halogens as families
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Spot my mistake: Treating air as a compound rather than a mixture
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Quiz me: Symbols, formulae and equations reviewed
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Practice set: Acids, bases and salts reviewed
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Real-life Nigeria: Preparing a revision plan for the SS1 second term
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Practice set: Oxidation numbers and how to assign them
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Real-life Nigeria: Rusting as an everyday redox process in Nigeria
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Quiz me: Ionic bonding and how it forms
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Spot my mistake: Describing a covalent compound as conducting when molten
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Quiz me: Measuring the rate of a reaction
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Practice set: Amorphous carbon and the forms it takes
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Spot my mistake: Assuming diamond and graphite are different elements
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