250 prompts matching "Describing starch and cellulose as the same polymer"
Practice set: Amphoteric substances and how they behave
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Exam practice: The hydrolysis of salts and the pH that results
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Real-life Nigeria: Buffer solutions and where they matter
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Quiz me: The standard solution and how one is prepared
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Practice set: The apparatus of volumetric analysis and its correct use
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Chemistry at work: The accuracy demanded of an analytical chemist
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Quiz me: Exothermic and endothermic changes distinguished
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Explain back: The standard enthalpy of formation
I have just studied the standard enthalpy of formation in my SS2 Chemistry class. Let me e
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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Practice set: The effect of concentration and of pressure on equilibrium
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Calculation practice: Writing and using the equilibrium constant expression
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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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Calculation practice: Calculating the mass of washing soda needed to soften water
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Quiz me: The major air pollutants and where they come from
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Explain back: The formation and the effects of acid rain
I have just studied the formation and the effects of acid rain in my SS2 Chemistry class.
Practice set: The greenhouse effect and global warming
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Spot my mistake: Blaming ozone depletion for the warming that greenhouse gases cause
Act as my SS2 Chemistry tutor. Show me a worked answer on blaming ozone depletion for the