250 prompts matching "Choosing the wrong preparation method for a given salt"
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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Chemistry at work: Metalloids, and where they sit between the two
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Exam practice: The tests that identify the common non-metal gases
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Exam practice: The electrolysis of molten and of aqueous compounds compared
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Exam practice: Finding the concentration of an unknown alkali
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Calculation practice: Calculating the purity of a sample from titration data
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Chemistry at work: The accuracy demanded of an analytical chemist
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Exam practice: The energy profile diagram and activation energy
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Exam practice: The effect of temperature on the position of equilibrium
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Calculation practice: Writing and using the equilibrium constant expression
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Calculation practice: Calculating the mass of washing soda needed to soften water
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Exam practice: Solutions, water and the atmosphere reviewed
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Exam practice: How alkenes react by addition across the double bond
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Calculation practice: Calculating the products of complete combustion
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Chemistry at work: Cracking, and the making of petrol in Nigeria
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Exam practice: The reactions of the alkanoic acids
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Calculation practice: Calculating the yield of an esterification
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Exam practice: The uses of the common plastics
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Calculation practice: Working out the repeating unit from a polymer structure
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