问题
选择题
“高炉炼铁”包含一个反应：Fe2O3+3CO
2Fe+3CO2，该反应中的氧化剂是（ ）高温
A．CO2
B．CO
C．Fe
D．Fe2O3
答案
答案：D
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“高炉炼铁”包含一个反应：Fe2O3+3CO
2Fe+3CO2，该反应中的氧化剂是（ ）高温
A．CO2
B．CO
C．Fe
D．Fe2O3
答案：D
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