初二科学 第2,3章
Authored by L3 Education 独中补习
Science
12th Grade
Used 149+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
N是什么元素
氮
氧
氢
氦
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O是什么元素
氮
氧
氢
氦
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
H是什么元素
氮
氧
氢
氦
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
S是什么元素
硫
碳
钠
镁
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mg是什么元素
硫
碳
钠
镁
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
NaCl的名称是
钠氯
氯酸钠
氯化钠
碳化钾
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CaO的名称是
氧化钙
氯酸钠
氯化钠
碳化钾
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