500 prompts matching "Writing and using the equilibrium constant expression"
Exam practice: Chromatography and how it works
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Real-life Nigeria: Separation methods in Nigerian salt and oil production
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Quiz me: The physical properties that make water unusual
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Exam practice: The laboratory preparation of hydrogen
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Quiz me: Separating the components of air
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Spot my mistake: Treating air as a compound rather than a mixture
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Calculation practice: Calculating the volume of oxygen used in a reaction
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Chemistry at work: The uses of the gases separated from air
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Quiz me: Symbols, formulae and equations reviewed
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Practice set: Acids, bases and salts reviewed
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Spot my mistake: The errors most often made in second-term SS1 Chemistry
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Quiz me: Electrolytes and non-electrolytes
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Practice set: The electrolysis of acidified water
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Exam practice: The factors that determine which ion is discharged
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Quiz me: Oxidation and reduction in terms of hydrogen
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Explain back: Oxidation and reduction in terms of electrons
I have just studied oxidation and reduction in terms of electrons in my SS1 Chemistry clas
Spot my mistake: Assigning an oxidation number to the wrong atom
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Quiz me: Ionic bonding and how it forms
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Practice set: Drawing dot-and-cross diagrams
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Project task: Modelling ionic and covalent structures
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