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【简答题】

【名词解释】液态氮

题目标签:液态氮
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【多选题】液态氮的性质有()

A.
无色
B.
无嗅
C.
无腐蚀性
D.
不可燃

【单选题】Section BDirections: There are 2 passages in this section.Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A, B, C and D.You should de...

A.
make efforts to clone the endangered panda
B.
save endangered animals from extinction
C.
implant embryo into a host animal
D.
collect DNA of endangered animals to study

【单选题】液态氮试剂是指

A.
硅磷酸试液
B.
硅钨酸试液
C.
硝酸亚汞试液
D.
碱性碘化铋钾试液
E.
碱性碘化汞钾试液