460 prompts matching "Testing for carbonate and for hydrogencarbonate"
Spot my mistake: Confusing solubility with the rate of dissolving
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Teach me: The rules of safe conduct in a chemistry laboratory
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Spot my mistake: Reading a measuring cylinder from above the meniscus
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Chemistry at work: The careers that a study of chemistry opens
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Exam practice: The raw materials each Nigerian chemical industry draws on
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Real-life Nigeria: Particle behaviour in Nigerian everyday observations
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Exam practice: The electron configuration of the first twenty elements
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Calculation practice: Calculating relative atomic mass from isotopic abundance
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Chemistry at work: How models of the atom developed over time
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Real-life Nigeria: Why the noble gases are unreactive
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Chemistry at work: Why chemists use one shared symbolic language
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Exam practice: Gay-Lussac's law of combining volumes
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Calculation practice: Calculating masses that combine in a fixed ratio
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Real-life Nigeria: The laws of combination at work in Nigerian industry
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Exam practice: The volume one mole of any gas occupies at s.t.p.
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Calculation practice: Calculating the number of particles in a given mass
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Real-life Nigeria: The mole in Nigerian pharmaceutical measurement
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Real-life Nigeria: The chemical names behind familiar Nigerian products
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Exam practice: Applying Boyle's law to a described situation
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Calculation practice: Calculating a new volume after a change of pressure
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