500 prompts matching "The treatment a town's water passes through before supply"
Exam practice: Identifying cations with aqueous ammonia
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Spot my mistake: Adding excess reagent too early and losing a precipitate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
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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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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Chemistry at work: Redox titration in Nigerian industrial testing
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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
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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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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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Chemistry at work: Functional groups in Nigerian pharmaceuticals
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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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