第十三章:VA族元素:氮和磷

第十三章:VA族元素:氮和磷

10th Grade

5 Qs

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第十三章:VA族元素:氮和磷

第十三章:VA族元素:氮和磷

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

wan hawl

Used 17+ times

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5 questions

Show all answers

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)2CO3Mg(NO3)2

NaOH(aq)

BaCl2(aq)

HCl(aq)

AgNO3(aq)

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