250 prompts matching "The topics that carry the most marks"
Practice set: The apparatus of volumetric analysis and its correct use
Act as my SS2 Chemistry tutor. Give me five practice questions on the apparatus of volumet
Exam practice: The procedure for a standard acid-base titration
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Practice set: Finding the concentration of an unknown acid
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Exam practice: Finding the concentration of an unknown alkali
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Spot my mistake: Averaging titres that are not concordant
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Calculation practice: Calculating the purity of a sample from titration data
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Chemistry at work: The accuracy demanded of an analytical chemist
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Practice set: The standard enthalpies of combustion and of neutralisation
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Exam practice: The energy profile diagram and activation energy
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Real-life Nigeria: Fuels and their heating values in Nigeria
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Real-life Nigeria: The catalysts used in Nigerian industry
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Practice set: The effect of concentration and of pressure on equilibrium
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Exam practice: The effect of temperature on the position of equilibrium
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Calculation practice: Writing and using the equilibrium constant expression
Act as my SS2 Chemistry tutor. Walk me through writing and using the equilibrium constant
Real-life Nigeria: Equilibrium in the Haber process
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Chemistry at work: Equilibrium in the contact process for sulphuric acid
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Practice set: The solubility curve, and how to read it
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Real-life Nigeria: Fractional crystallisation and the uses made of it
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Practice set: The stages of municipal water treatment
Act as my SS2 Chemistry tutor. Give me five practice questions on the stages of municipal
Exam practice: The tests for water purity
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