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高锰酸钾在碱性环境下被还原成锰6价成为墨绿色。,在酸性环境下又被还原成7价变成漂亮的紫红色😍

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高锰酸钾在碱性环境下被还原成锰6价成为墨绿色。,在酸性环境下又被还原成7价变成漂亮的紫红色😍 JPEG Origin Image Download
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