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初三第3章:金属与非金属

Authored by LIM KANG林惟康

Chemistry

3rd Grade

Used 835+ times

初三第3章:金属与非金属
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10 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

下列何者是金屬的通性?(多選題)

有較好的導熱性

有較好的導電性

硬度都很大

延展性好

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列何種金屬跟酸起反應後不會生成氫氣?

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列金属的活泼顺序比较,哪个正确的?(最活泼排列至最不活泼)

K>Mg>Zn>Cu

K>Zn>Cu>Mg

Mg>K>Cu>Zn

Zn>Cu>Mg>K

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列都是非金属的性质,除了?

都不会导电

延展性不好

导热性不好

颜色都很暗淡

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

完成下列的置换反应

 Zn+2HClZn+2HCl→  

 ZnCl2+H2ZnCl_2+H_2  

 Cl2+2ZnHCl_2+2ZnH  

 Zn+HClZn_{ }+HCl  

 HZn+Cl2HZn+Cl_2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一个金属没办法与硝酸银溶液( AgNO3AgNO_3 ) 起反应?(多选题)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

要将铁生锈的速率加快,下列哪个方法有效?

将铁做成细丝

将铁放在冰箱里

将铁放在干燥的空气中

在铁的表面油漆

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