J3_C1_1
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Science
9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
酸是电离时生成的正离子为_______离子的化合物。
氢
氧
酸根
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
酸电离产生的负离子叫做这种酸的___________。
氢
氧
酸根
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
盐酸的化学式为？
HCl
H2SO4
HNO3
H3PO4
H2CO3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
硫酸的化学式为？
HCl
H2SO4
HNO3
H3PO4
H2CO3
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
硝酸的化学式为？
HCl
H2SO4
HNO3
H3PO4
H2CO3
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
碳酸的化学式为？
HCl
H2SO4
HNO3
H3PO4
H2CO3
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
酸能使________色石蕊试液变成________色。
紫......红
紫......蓝
红......蓝
红......紫
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