490 prompts matching "Checking that an equation balances by counting atoms"
Exam practice: Preparing an insoluble salt by precipitation
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Exam practice: The salts that do not hydrolyse, and why
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Spot my mistake: Writing an isomer that is really the same molecule
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Practice set: Extraction by electrolysis, and when it is necessary
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Spot my mistake: Naming coke as the substance that removes the impurities
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Real-life Nigeria: Determining the purity of a sample by redox titration
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Project task: Plotting a periodic property against atomic number
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Project task: Verifying a stoichiometric ratio by experiment
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Chemistry at work: Recording observations and inferences in the WAEC format
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Real-life Nigeria: The sources of error in an acid-base titration
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Chemistry at work: Redox titration in Nigerian industrial testing
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Real-life Nigeria: The Daniell cell and the dry cell
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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
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Real-life Nigeria: Reaction mechanisms and the rate-determining step
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Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
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Real-life Nigeria: Entropy and the feasibility of a reaction
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Chemistry at work: Thermochemistry in fuel selection for Nigerian industry
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Real-life Nigeria: The tests that distinguish the functional groups
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