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lb587213

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2Â¥: Originally posted by ÇáÎèÀëéä at 2015-08-07 10:17:29
CaO+H2O=Ca(OH)2
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lb587213

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4Â¥: Originally posted by lb587213 at 2015-08-07 10:23:09
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Use magnet to separate most of the CaO from the mixture and then use water to wash the iron powder clean.

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9Â¥2015-08-10 12:47:57
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