236 prompts matching "Testing for carbonate and for hydrogencarbonate"
Spot my mistake: Assuming Nigeria must import all its industrial chemicals
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Teach me: Organic chemistry at SS2 level reviewed
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Practice set: Nuclear chemistry at SS2 level reviewed
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Spot my mistake: The errors most often made in third-term SS2 Chemistry
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Chemistry at work: Why ionic compounds conduct only when molten or dissolved
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Calculation practice: Predicting a substance's structure from its properties
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Exam practice: Identifying the species oxidised in a reaction
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Calculation practice: Working out the change in oxidation number
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Calculation practice: Balancing a redox equation in acidic solution
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Calculation practice: Comparing metals by a density calculation
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Exam practice: The extraction of iron in the blast furnace
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Exam practice: The halogens as a family of non-metals
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Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Exam practice: The tests that identify the common non-metal gases
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Calculation practice: Calculating the volume of a gas from a given mass
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Real-life Nigeria: Non-metal compounds in Nigerian industry
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Calculation practice: Applying Faraday's first law to a calculation
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