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[5**¤Æ¾Ç¤ß±o!] [ªø¤å·V¤J] 7­ÓŪ¤Æ¾Ç5**¤ß±o by 5** HKU ¾É®v

[5**¤Æ¾Ç¤ß±o!] [ªø¤å·V¤J] 7­ÓŪ¤Æ¾Ç5**¤ß±o by 5** HKU ¾É®v

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2 FeSO4 + NaOH
3 FeSO4 + KMnO4 / H+

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State the origin of Petroluem.
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Under high temperature and pressure, absence of air , presence of bacteria and long period of time , the corpses of marine organisms turned to petroleum and natural gas.

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