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火法炼铜首先要焙烧黄铜矿,其反应为:\(\rm{2CuFeS_{2}+O_{2}→Cu_{2}S+2FeS+SO_{2}}\)下列说法正确的是 \(\rm{(}\) \(\rm{)}\)
\(\rm{K_{2}FeO_{4}}\)与水发生反应\(\rm{4K_{2}FeO_{4}+10H_{2}O=4Fe(OH)_{3}(}\)胶体\(\rm{)+8KOH+3O_{2}↑}\)。下列说法正确的是
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