配套习题- 金属的冶炼 -【青果学院】

1/5单选题

难度：

1.下列金属冶炼的反应原理错误的是

A	2NaCl(熔融) 2Na + Cl₂↑
B	MgO + H₂ Mg + H₂O
C	Fe₃O₄+ 4CO 3Fe + 4CO₂
D	2HgO 2Hg + O₂↑

正确答案：Qg==

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2/5单选题

难度：

2.冶金工业上常用电解熔融MgCl₂而不用电解MgO的方法制取镁，其原因是

A	熔融的MgO不导电
B	MgO分子间作用力很大
C	MgO熔点高
D	MgO属原子晶体

正确答案：Qw==

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3/5单选题

难度：

3.在工业上常常采用下列四种方法冶炼金属：①焦炭法；②水煤气法（或H₂或CO法）；③活泼金属置换法；④电解法。这四种方法在工业上都有典型的应用实例：（1）古代的湿法炼铜；（2）古代的火烧孔雀石炼铜；（3）现代的铝热法炼铬；（4）现代的从氯化镁中炼镁。其中金属冶炼方法与实例对应关系不正确的是

A	（1）①
B	（2）②
C	（3）③
D	（4）④

正确答案：Qg==

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

4/5单选题

难度：

4.下列属于传统湿法冶炼铜的是

A	CO还原CuO制取Cu
B	电解CuCl₂制取Cu
C	高温下O₂与Cu₂S反应制取Cu
D	Fe与CuSO₄溶液反应制取Cu

正确答案：RA==

5rm/5rOV54K86ZOc77yM5qC55o2u6L+Z5Liq56ew5ZG85Y+v5Lul5o6o5rWL5piv5Zyo5rq25ray5Lit6L+b6KGM55qE5Y+N5bqU77yM5LuW5piv55So6ZOB5bCG56Gr6YW46ZOc5rq25ray5Lit55qE6ZOc5Y2V6LSo572u5o2i5Ye65p2l44CC6YCJ5oupROmhueOAgg==

5/5单选题

难度：

5.铝士矿的主要成分中含有氧化铝、氧化铁和二氧化硅等，工业上经过下列工艺可以冶炼金属铝。下列说法不正确的是

A	①、②中除加试剂外，还需要进行过滤操作
B	a、b中铝元素的化合价相同
C	③中需要通入过量的氨气
D	④进行的操作是加热，而且d一定是氧化铝

正确答案：Qw==

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