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氧族复习[下学期]
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模板介绍：
H2OSO2+
O2SO3O2品红目的3 目的4FeS[H+]H2S还原性O2与O2、 Cl2、 酸性KMnO4等氧化性物质反应SSO2性质漂白性酸性氧化性还原性SO2+
H2SSO2+
H2OSO2+
O2SO3O2H2SO4品红FeS[H+]H2S还原性O2与O2、 Cl2、酸性KMnO4等氧化性物质反应SSO2性质漂白性酸性氧化性还原性SO2+
H2S
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