151 prompts matching "Exam practice: Graham's law of diffusion"
Practice set: Making sulphur dioxide in the laboratory and testing it
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Explain back: The preferential discharge of ions
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Practice set: Non-metals and their compounds reviewed
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Spot my mistake: The errors most often made in first-term SS2 Chemistry
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Explain back: The strength of an acid and the degree of ionisation
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Practice set: Amphoteric substances and how they behave
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Chemistry at work: The accuracy demanded of an analytical chemist
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Explain back: The standard enthalpy of formation
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Spot my mistake: Omitting the sign of an enthalpy change
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Quiz me: The factors that change the rate of a reaction
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Practice set: Homogeneous and heterogeneous catalysis
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Spot my mistake: Saying a catalyst changes the position of equilibrium
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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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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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Explain back: The methods of softening hard water
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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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Practice set: Chemical equilibrium reviewed
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