500 prompts matching "Working out the formula of an ionic compound from its charges"
Exam practice: Nitric acid, its manufacture and its reactions
Act as my SS3 Chemistry teacher setting exam questions. Give me five exam-style questions
Spot my mistake: Treating dilute and concentrated nitric acid alike
Act as my SS3 Chemistry tutor. Show me a worked answer on treating dilute and concentrated
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
Spot my mistake: Describing carbon monoxide as an acidic oxide
Act as my SS3 Chemistry tutor. Show me a worked answer on describing carbon monoxide as an
Project task: Demonstrating the carbon dioxide test with limewater
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Exam practice: Removing permanent hardness by chemical and ion-exchange methods
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Spot my mistake: Expecting boiling to remove permanent hardness
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Project task: Comparing the lather from water samples in my area
Act as my SS3 Chemistry tutor. Set me a short practical or research task on comparing the
Practice set: Phosphate and potash fertilisers
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Spot my mistake: Assuming more fertiliser always means a better yield
Act as my SS3 Chemistry tutor. Show me a worked answer on assuming more fertiliser always
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: Calling zinc a typical transition metal
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Project task: Observing colour changes in transition metal solutions
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Project task: Testing Nigerian foods for starch and for protein
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Real-life Nigeria: The confirmatory tests for the common cations
Act as my SS3 Chemistry tutor. Show me where the confirmatory tests for the common cations
Quiz me: Testing for carbonate and for hydrogencarbonate
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
Act as my SS3 Chemistry tutor. Show me where identifying a salt from combined cation and a
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
Quiz me: Potassium permanganate as a self-indicating titrant
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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