500 prompts matching "What a mixture is, and how it differs from a compound"
Exam practice: Recording and averaging concordant titres
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Spot my mistake: Including a rough titre in the average
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Teach me: What makes a titration a redox titration
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Calculation practice: Calculating concentration from a redox titration
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Explain back: The electrochemical series and the uses made of it
I have just studied the electrochemical series and the uses made of it in my SS3 Chemistry
Real-life Nigeria: Reaction mechanisms and the rate-determining step
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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
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Real-life Nigeria: Entropy and the feasibility of a reaction
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Explain back: The alkanols, alkanals and alkanones distinguished
I have just studied the alkanols, alkanals and alkanones distinguished in my SS3 Chemistry
Calculation practice: Deducing a structure from percentage composition
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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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Real-life Nigeria: Petrol quality and adulteration in Nigeria
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Teach me: The difference between a dye and a pigment
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Explain back: The chromophore, and why a dye is coloured
I have just studied the chromophore, and why a dye is coloured in my SS3 Chemistry class.
Exam practice: Heavy metal pollution and its effects on health
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Explain back: Chlorination and the alternatives to it
I have just studied chlorination and the alternatives to it in my SS3 Chemistry class. Let
Real-life Nigeria: Sachet and bottled water quality in Nigeria
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