配套习题- 铁的冶炼 -【青果学院】

1/5单选题

难度：

1.人类利用金属的历史经历了从青铜器时代到铁器时代，再到铝合金大量使用的过程。这一事实与下列因素有关的是

A	地壳中金属元素的含量
B	金属的导电性、延展性
C	金属的活动性和冶炼水平
D	金属的硬度

正确答案：Qw==

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

2/5单选题

难度：

2.关于铁的冶炼，下列说法正确的是

A	炼铁的过程中加入石灰石主要是为了除去矿石中的二氧化硅
B	炼铁的磁铁矿主要成分为Fe₂O₃
C	反应的主要还原剂是焦炭
D	冶炼出的产品是纯铁

正确答案：QQ==

55+z54Gw55+z5Y+v5Lul5LiO5LqM5rCn5YyW56GF5Y+R55Sf5Y+N5bqU77yM5bCG5LqM5rCn5YyW56GF6L2s5YyW5Li655+/5rij44CCQemhueato+ehruOAgg==

3/5单选题

难度：

3.下列化学反应不是在炼铁高炉中发生的是

A
B
C
D

正确答案：RA==

6auY54KJ54K86ZOB5piv5Yi25Y+W6ZOB5Y2V6LSo77yM5rKh5pyJ6ZOB6KKr5rCn5YyW5Li65Zub5rCn5YyW5LiJ6ZOB55qE6L+H56iL44CC

4/5单选题

难度：

4.某同学在实验室用一氧化碳与氧化铁反应，若得到5.6g铁，则消耗的一氧化碳的质量是

A	等于4.2g
B	大于4.2g
C	小于4.2g
D	不大于4.2g

正确答案：Qg==

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

5/5单选题

难度：

5.

用CO还原铁的氧化物1mg，得到铁粉0.75mg,则下列说法中正确的是

A	该氧化物是Fe₂O₃
B	该氧化物可能是由FeO、Fe₂O₃、Fe₃O₄组成的混合物
C	该氧化物是FeO
D	该氧化物中不含FeO

正确答案：Qg==

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