500 prompts matching "Chemistry at work: The petrochemicals made from oil and gas"
Explain back: Writing the formula of a compound from valencies
I have just studied writing the formula of a compound from valencies in my SS1 Chemistry c
Exam practice: The volume one mole of any gas occupies at s.t.p.
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Calculation practice: Calculating the number of particles in a given mass
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Spot my mistake: Leaving out the oxidation state where it is needed
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Quiz me: The terms in the general gas equation
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Exam practice: The ideal gas equation and the gas constant
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Calculation practice: Calculating the volume of a gas at s.t.p.
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Quiz me: Reading mole ratios from a balanced equation
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Calculation practice: Calculating the volume of gas produced in a reaction
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Exam practice: The pH scale and what it measures
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Calculation practice: Calculating the concentration of an acid solution
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Exam practice: Neutralisation and the reaction it describes
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Spot my mistake: Choosing the wrong preparation method for a given salt
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Quiz me: Filtration, and when it is the right method
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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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