453 prompts matching "Treating air as a compound rather than a mixture"
Exam practice: Testing for nitrate and for nitrite
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Reporting a sulphate result without acidifying first
Act as my SS3 Chemistry tutor. Show me a worked answer on reporting a sulphate result with
Real-life Nigeria: Identifying a salt from combined cation and anion tests
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Quiz me: The correct use of the pipette and the burette
Act as my SS3 Chemistry tutor and quiz me on the correct use of the pipette and the burett
Explain back: Choosing the indicator for a strong-weak titration
I have just studied choosing the indicator for a strong-weak titration in my SS3 Chemistry
Practice set: The titration curve and the equivalence point
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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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Explain back: The half-equations in a permanganate titration
I have just studied the half-equations in a permanganate titration in my SS3 Chemistry cla
Practice set: Iodine and thiosulphate titrations
Act as my SS3 Chemistry tutor. Give me five practice questions on iodine and thiosulphate
Exam practice: The conditions a redox titration requires
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Spot my mistake: Using hydrochloric acid to acidify a permanganate titration
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Real-life Nigeria: Determining the purity of a sample by redox titration
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Chemistry at work: Redox titration in Nigerian industrial testing
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
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
Practice set: Predicting from electrode potentials whether a reaction occurs
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Exam practice: Calculating the e.m.f. of a cell
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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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Chemistry at work: Electrolysis in Nigerian aluminium and chlorine production
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on electr