250 prompts matching "Using simple distillation on liquids with close boiling points"
Exam practice: Identifying the species oxidised in a reaction
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Calculation practice: Working out the change in oxidation number
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Real-life Nigeria: Oxidation in the rusting of Nigerian roofing sheets
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Explain back: Why oxidation and reduction always occur together
I have just studied why oxidation and reduction always occur together in my SS2 Chemistry
Practice set: Balancing a redox equation by half-equations
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Exam practice: The common oxidising and reducing agents and their tests
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Calculation practice: Balancing a redox equation in acidic solution
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Explain back: Why metals conduct heat and electricity
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Calculation practice: Comparing metals by a density calculation
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Practice set: Extraction by electrolysis
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Exam practice: The extraction of iron in the blast furnace
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Calculation practice: Calculating the mass of metal obtainable from an ore
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Real-life Nigeria: Nigeria's metal deposits and their exploitation
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Explain back: The allotropes shown by some non-metals
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Practice set: The chemical behaviour of metals and non-metals compared
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Exam practice: The halogens as a family of non-metals
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Calculation practice: Predicting a non-metal's valency from its group
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Real-life Nigeria: The non-metals essential to Nigerian agriculture
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Explain back: The preparation and properties of chlorine
I have just studied the preparation and properties of chlorine in my SS2 Chemistry class.
Exam practice: The tests that identify the common non-metal gases
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