第十三章:VA族元素:氮和磷
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
镁可在空气中燃烧而生成一些化合物。当这些化合物加入沸水时,所释放出的气体是_____。
氧气
氮气
氨气
氢气
2.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
下列哪一种试剂可用来区别溴蒸气和二氧化氮?
BaCl2 溶液
NaOH 溶液
石蕊试液
蒸馏水
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
下列哪些反应会生成二氧化氮?
I 加热铜屑与稀硝酸
II 加热硝酸铵
III 加热硝酸铅
IV 加热浓硝酸
I, II
I, IV
II, III
III, IV
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
化合物X是农业的一种重要原料,因为它能被氧化成化合物Y;而化合物Y可以用来生产肥料Z。X、Y、Z分别是______,______及_____。
NO2, HNO3, NH4NO3
HNO2, HNO3, KNO3
NH3, HNO3, Ca(NO3)2
NO, NO2, CaHPO4
5.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
下列哪一种试剂可用来区别Al2(SO4)3(aq)、NaCl(aq)、(NH4)2CO3和Mg(NO3)2?
NaOH(aq)
BaCl2(aq)
HCl(aq)
AgNO3(aq)
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