460 prompts matching "Testing for sulphate and for sulphite"
Calculation practice: Calculating relative atomic mass from isotope abundances
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Chemistry at work: The historical models of the atom compared
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Calculation practice: Deducing valency from a given configuration
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Chemistry at work: The international agreement behind chemical symbols
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Exam practice: Balancing an equation by inspection
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Calculation practice: Checking that an equation balances by counting atoms
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Chemistry at work: Why balanced equations matter in industry
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Calculation practice: Checking the charge balance in an ionic equation
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Real-life Nigeria: The ionic equations behind Nigerian water treatment
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Chemistry at work: Ionic equations in analytical work
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Chemistry at work: How the periodic table came to be arranged as it is
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Exam practice: Coordinate or dative bonding
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Calculation practice: Predicting relative boiling points from structure
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Calculation practice: Solving a Boyle's law problem numerically
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Chemistry at work: Gas behaviour in industrial processes
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Calculation practice: Finding the volume of a gas under new conditions
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Chemistry at work: Gas calculations in Nigerian industry
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Calculation practice: Calculating the solubility of a solute
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Calculation practice: Comparing soap lather as a measure of hardness
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Chemistry at work: Water quality work in Nigeria
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