酸的化学性质
Quiz
•
Chemistry
•
9th Grade
•
Medium

Zhao Dan
Used 6+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
已知白醋里含3%~5%的醋酸 (CH3COOH),醋酸与稀HCl的化学性质相似,
下列物质不能与醋酸发生反应的是
石蕊溶液
Fe2O3
Zn
CO2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列化学方程式符合事实的是
铁粉与稀盐酸混合有大量气泡产生:2Fe+6HCl=2FeCl3+3H2↑
稀盐酸洒到大理石表面上有气泡产生:CaCO3+2HCl=CaCl2+H2O+CO2↑
用盐酸除锈:Fe2O3+HCl=FeCl2+H2O
黑色的氧化铜粉末与稀硫酸混合后,溶液变成蓝色:CuO+H2SO4=CuSO4+H2↑
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如图所示,在试管和小气球中分别盛有一种液体和一种
固体物质,将气球中的固体物质小心地倒入试管中,可观察到气球逐渐胀大,下列各组中不能达到上述要求的是
大理石和稀HCl
铝片和稀H2SO4
氧化钙和水
CuO和稀H2SO4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
将Fe、CO、CuO、H2SO4等4种物质两两混合,一定条件下能发生反应的组合有
1个
2个
3个
4个
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列实验方案设计、实验现象和结论均合理的是
A
B
C
D
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