500 prompts matching "Exam practice: Expressing concentration in moles per cubic decimetre"
Quiz me: The preparation and properties of sulphur dioxide
Act as my SS3 Chemistry tutor and quiz me on the preparation and properties of sulphur dio
Practice set: The Haber process and the conditions it uses
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Practice set: Phosphate and potash fertilisers
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Quiz me: The characteristic properties of the transition metals
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Practice set: The coloured ions of the transition metals
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Quiz me: The preliminary tests carried out on an unknown salt
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Explain back: The flame test and the colours it gives
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Spot my mistake: Adding excess reagent too early and losing a precipitate
Act as my SS3 Chemistry tutor. Show me a worked answer on adding excess reagent too early
Chemistry at work: Recording observations and inferences in the WAEC format
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on record
Quiz me: Testing for carbonate and for hydrogencarbonate
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Explain back: Testing for sulphate and for sulphite
I have just studied testing for sulphate and for sulphite in my SS3 Chemistry class. Let m
Spot my mistake: Reporting a sulphate result without acidifying first
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Real-life Nigeria: Identifying a salt from combined cation and anion tests
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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
Spot my mistake: Including a rough titre in the average
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Real-life Nigeria: The sources of error in an acid-base 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
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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
Act as my SS3 Chemistry tutor. Show me a worked answer on reversing the sign of a half-cel