共50条信息
火法炼铜首先要焙烧黄铜矿,其反应为:\(\rm{2CuFeS_{2}+O_{2} \overset{高温}{=} Cu_{2}S+2FeS+SO_{2}}\)。下列说法正确的是 \(\rm{(}\) \(\rm{)}\)
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 \(\rm{(}\) \(\rm{)}\)
\(\rm{N_{2}O}\)俗称“笑气”,该反应能产生\(\rm{N}\)\(\rm{2}\)\(\rm{O}\):\(\rm{3CO+2NO_{2}=3CO_{2}+N_{2}O}\)下列说法正确的是
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