500 prompts matching "Exam practice: Fertilisers and their effect on crop yield"
Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
Act as my SS3 Chemistry tutor. Show me a worked answer on using hydrochloric acid to acidi
Chemistry at work: Redox titration in Nigerian industrial testing
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Quiz me: The standard electrode potential and what it measures
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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
Spot my mistake: Reversing the sign of a half-cell potential wrongly
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Real-life Nigeria: The Daniell cell and the dry cell
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Quiz me: Kc and Kp, and the difference between them
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Spot my mistake: Including a pure solid in an equilibrium expression
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Spot my mistake: Using bond enthalpies for a reaction involving liquids
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Chemistry at work: Thermochemistry in fuel selection for Nigerian industry
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Quiz me: Identifying the functional group in a given structure
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Spot my mistake: Naming a compound from the wrong functional group priority
Act as my SS3 Chemistry tutor. Show me a worked answer on naming a compound from the wrong
Chemistry at work: Functional groups in Nigerian pharmaceuticals
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Explain back: Thermal and catalytic cracking compared
I have just studied thermal and catalytic cracking compared in my SS3 Chemistry class. Let
Quiz me: Natural dyes and synthetic dyes compared
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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.
Real-life Nigeria: Adire and indigo dyeing in Nigeria
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Quiz me: The electrochemical explanation of rusting
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Spot my mistake: Describing painting as a chemical method of rust prevention
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Spot my mistake: Treating carbon dioxide as a toxic pollutant
Act as my SS3 Chemistry tutor. Show me a worked answer on treating carbon dioxide as a tox