500 prompts matching "Exam practice: Chromatography and how it works"
Explain back: Ammonia, its preparation and its properties
I have just studied ammonia, its preparation and its properties in my SS3 Chemistry class.
Project task: Examining the nitrogen content stated on a fertiliser bag
Act as my SS3 Chemistry tutor. Set me a short practical or research task on examining the
Explain back: Variable oxidation state, and why it arises
I have just studied variable oxidation state, and why it arises in my SS3 Chemistry class.
Spot my mistake: The physical chemistry errors examiners see most often
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Spot my mistake: The inorganic chemistry errors examiners see most often
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Spot my mistake: The organic chemistry errors examiners see most often
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Spot my mistake: Reporting a sulphate result without acidifying first
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Spot my mistake: Including a rough titre in the average
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Practice set: Predicting from electrode potentials whether a reaction occurs
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Practice set: Calculating Kc from equilibrium concentrations
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Chemistry at work: Thermochemistry in fuel selection for Nigerian industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on thermo
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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Spot my mistake: Assuming every fuel burns to carbon dioxide and water alone
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming every fuel burns to car
Practice set: The methods of preventing rust
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Spot my mistake: Assuming boiling removes every impurity from water
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Spot my mistake: Confusing cement with concrete
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Spot my mistake: Balancing a nuclear equation without conserving charge
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Spot my mistake: Assuming chemistry leads only to laboratory work
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming chemistry leads only to