250 prompts matching "Crystallisation, and how it purifies a solid"
Spot my mistake: Assigning an oxidation number without checking the overall charge
Act as my SS2 Chemistry tutor. Show me a worked answer on assigning an oxidation number wi
Real-life Nigeria: Redox in Nigerian bleaching and water treatment
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Chemistry at work: Redox reactions in batteries and cells
Act as my SS2 Chemistry tutor. Explain which Nigerian jobs and industries depend on redox
Spot my mistake: Assuming every metal is hard and dense
Act as my SS2 Chemistry tutor. Show me a worked answer on assuming every metal is hard and
Spot my mistake: Predicting products without considering concentration
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Real-life Nigeria: Linking bonding, structure and properties together
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Spot my mistake: Treating concentration and strength as the same thing
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Real-life Nigeria: Buffer solutions and where they matter
Act as my SS2 Chemistry tutor. Show me where buffer solutions and where they matter turns
Spot my mistake: Rinsing the burette with water before filling it
Act as my SS2 Chemistry tutor. Show me a worked answer on rinsing the burette with water b
Spot my mistake: Averaging titres that are not concordant
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Chemistry at work: The accuracy demanded of an analytical chemist
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Spot my mistake: Omitting the sign of an enthalpy change
Act as my SS2 Chemistry tutor. Show me a worked answer on omitting the sign of an enthalpy
Real-life Nigeria: Fuels and their heating values in Nigeria
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Exam practice: The tests for water purity
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Chemistry at work: Air pollution control and regulation in Nigeria
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Spot my mistake: Naming a compound without first finding the longest chain
Act as my SS2 Chemistry tutor. Show me a worked answer on naming a compound without first