初中化学
Authored by 刘会杰07 J3Z （¯口¯）
Chemistry
5th Grade
Used 16+ times
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15 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
碳酸钙
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
水电解的方程式
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
氢氧化钙
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 5 pts
双氧水
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
二氧化碳密度比空气？
大
小
6.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
哪些盐易溶于水
钾盐
钠盐
铵盐
硝酸盐
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
以下哪项化学式错误？
NaOH
BaSO4
Ca（HCO3）2
KMnO
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