500 prompts matching "Exam practice: The hydrolysis of salts and the pH that results"
Explain back: Molar mass and how it is found
I have just studied molar mass and how it is found in my SS1 Chemistry class. Let me expla
Explain back: Naming compounds of metals with variable valency
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Spot my mistake: Leaving out the oxidation state where it is needed
Act as my SS1 Chemistry tutor. Show me a worked answer on leaving out the oxidation state
Calculation practice: Deducing a formula from a systematic name
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Chemistry at work: Why systematic naming matters in trade and medicine
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Quiz me: The terms in the general gas equation
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Explain back: Standard temperature and pressure
I have just studied standard temperature and pressure in my SS1 Chemistry class. Let me ex
Chemistry at work: Empirical and molecular formulae from composition data
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Quiz me: Strong acids and weak acids
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Explain back: What a base is, and what an alkali is
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Real-life Nigeria: Acids and bases in Nigerian food and cleaning
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Quiz me: Groups and periods, and what each tells you
Act as my SS1 Chemistry tutor and quiz me on groups and periods, and what each tells you.
Calculation practice: Predicting a property from an element's position
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Explain back: Evaporation, crystallisation and distillation
I have just studied evaporation, crystallisation and distillation in my SS1 Chemistry clas
Spot my mistake: Treating air as a compound rather than a mixture
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Quiz me: Symbols, formulae and equations reviewed
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Quiz me: Electrolytes and non-electrolytes
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Spot my mistake: Confusing the anode with the cathode
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Spot my mistake: Assigning an oxidation number to the wrong atom
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Calculation practice: Balancing a redox equation by oxidation number
Act as my SS1 Chemistry tutor. Walk me through balancing a redox equation by oxidation num