250 prompts matching "Exam practice: The laboratory test for carbon dioxide"
Explain back: Calculating the average titre correctly
I have just studied calculating the average titre correctly in my SS2 Chemistry class. Let
Quiz me: Exothermic and endothermic changes distinguished
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Spot my mistake: Omitting the sign of an enthalpy change
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Quiz me: The factors that change the rate of a reaction
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Explain back: How a catalyst lowers the activation energy
I have just studied how a catalyst lowers the activation energy in my SS2 Chemistry class.
Spot my mistake: Saying a catalyst changes the position of equilibrium
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Real-life Nigeria: The catalysts used in Nigerian industry
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Quiz me: The characteristics of a system at equilibrium
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Spot my mistake: Claiming a catalyst shifts the position of equilibrium
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Real-life Nigeria: Equilibrium in the Haber process
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Quiz me: The factors that affect solubility
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Spot my mistake: Reading a solubility curve at the wrong temperature
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Explain back: The methods of softening hard water
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Spot my mistake: Proposing boiling as a cure for permanent hardness
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Quiz me: The major air pollutants and where they come from
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Real-life Nigeria: Gas flaring in the Niger Delta
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Explain back: Thermochemistry and reaction rates reviewed
I have just studied thermochemistry and reaction rates reviewed in my SS2 Chemistry class.
Spot my mistake: The errors most often made in second-term SS2 Chemistry
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