500 prompts matching "Chemistry at work: How the periodic table came to be arranged as it is"
Exam practice: Sulphuric acid as an acid, a dehydrating agent and an oxidiser
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Spot my mistake: Adding water to concentrated sulphuric acid
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Practice set: The Haber process and the conditions it uses
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Spot my mistake: Treating dilute and concentrated nitric acid alike
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Practice set: Phosphate and potash fertilisers
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Practice set: The coloured ions of the transition metals
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Practice set: Proteins, their structure and the tests for them
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Spot my mistake: Describing starch and cellulose as the same polymer
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Calculation practice: Deducing an anion from a set of given observations
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Calculation practice: Finding molarity from titre, volume and mole ratio
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Calculation practice: Calculating concentration from a redox titration
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Calculation practice: Applying Faraday's laws to an electrolysis calculation
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Real-life Nigeria: The Daniell cell and the dry cell
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Calculation practice: Finding an equilibrium concentration from K
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Real-life Nigeria: Equilibrium in the manufacture of ammonia and sulphuric acid
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Calculation practice: Calculating enthalpy change from enthalpies of formation
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Real-life Nigeria: Entropy and the feasibility of a reaction
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Calculation practice: Deducing a structure from percentage composition
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Real-life Nigeria: Petrol quality and adulteration in Nigeria
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