500 prompts matching "Leaving out the oxidation state where it is needed"
Chemistry at work: The Nigerian iron and steel industry
Act as my SS3 Chemistry tutor. Explain which Nigerian jobs and industries depend on the Ni
Teach me: The occurrence of aluminium and the ore bauxite
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Quiz me: Purifying bauxite before electrolysis
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Calculation practice: Calculating the electricity needed to extract aluminium
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Chemistry at work: The hazards of the halogens and their safe handling
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Quiz me: The laboratory and industrial preparation of nitrogen
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Practice set: The Haber process and the conditions it uses
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Calculation practice: Calculating the mass of ammonia from nitrogen and hydrogen
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Chemistry at work: Nitrogenous fertilisers in Nigerian farming
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Exam practice: The tests that distinguish the two oxides of carbon
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Chemistry at work: Carbon dioxide in the Nigerian bottling and fire-safety trades
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Teach me: What hardness is, and what causes it
You are my personal SS3 Chemistry tutor. Teach me what hardness is, and what causes it, us
Chemistry at work: Hardness and the Nigerian water supply industry
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Practice set: The coloured ions of the transition metals
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Chemistry at work: Transition metals in Nigerian industry
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Practice set: The classes of dye and how each is applied
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Practice set: The characteristic chemistry of Groups 1, 2, 7 and 0
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Practice set: The hydrolysis of a salt of a strong acid and a weak base
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Practice set: Isomerism among the alkanes
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Practice set: The displacement reactions of the halogens
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