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Write an equation (chemical or ionic) and use oxidation numbers to find out what is being oxidized and what is being reduced.
(a) aluminum + oxygen
(b) magnesium + steam
(c) iron + dilute hydrochloric
(d) copper(ii) oxide + carbon
(e) bromine + potassium iodide solution

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    I will be happy to critique your work.

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    Can't you be nicer and help me out? Thanks a lot (:

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