500 prompts matching "The chemical names behind familiar Nigerian products"
Practice set: Testing for chloride, bromide and iodide
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Exam practice: Testing for nitrate and for nitrite
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Spot my mistake: Reporting a sulphate result without acidifying first
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Exam practice: Recording and averaging concordant titres
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Quiz me: Potassium permanganate as a self-indicating titrant
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Practice set: Iodine and thiosulphate titrations
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Practice set: Calculating Kc from equilibrium concentrations
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Exam practice: Applying Le Chatelier's principle to industrial processes
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Spot my mistake: Including a pure solid in an equilibrium expression
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Quiz me: Enthalpies of formation, combustion and neutralisation
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Explain back: Bond enthalpy and its use in estimating heat of reaction
I have just studied bond enthalpy and its use in estimating heat of reaction in my SS3 Che
Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Explain back: Electrochemistry reviewed
I have just studied electrochemistry reviewed in my SS3 Chemistry class. Let me explain it
Practice set: Kinetics and equilibrium reviewed
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Practice set: Reforming, isomerisation and octane number
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Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
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Explain back: How a soap molecule lifts away dirt
I have just studied how a soap molecule lifts away dirt in my SS3 Chemistry class. Let me
Spot my mistake: Expecting a detergent to fail in hard water as soap does
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Spot my mistake: Assuming every coloured substance is a dye
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