500 prompts matching "The pH scale and what its numbers mean"
Exam practice: Concentration, dilution and titration calculations
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Spot my mistake: Losing marks by dropping units mid-calculation
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Exam practice: Empirical and molecular formula from composition
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Exam practice: A final mixed paper before the examination
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Project task: Plotting a periodic property against atomic number
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Chemistry at work: Periodicity in the design of new materials
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Explain back: Covalent bonding, polar and non-polar
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Exam practice: Metallic bonding and hydrogen bonding
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Chemistry at work: Why the mole underpins all quantitative chemistry
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Teach me: What a balanced equation tells you quantitatively
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Exam practice: Mass-to-volume and volume-to-volume calculations
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Spot my mistake: Using pressure in millimetres of mercury with R in SI units
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Exam practice: The titration curve for each acid-base combination
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Spot my mistake: Assuming pH 7 is neutral at every temperature
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Explain back: Preparing a soluble salt from an acid and a metal
I have just studied preparing a soluble salt from an acid and a metal in my SS3 Chemistry
Project task: Preparing and crystallising a named salt
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Chemistry at work: Alkanes as feedstock for the petrochemical industry
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Exam practice: The test that distinguishes saturated from unsaturated
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Chemistry at work: Alkenes in the Nigerian plastics industry
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Chemistry at work: Alcohols and acids in Nigerian food and drink industries
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