
Bài Tập
Authored by Huy Nguyễn
Chemistry
1st - 10th Grade
Used 8+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x+y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+1=?
2
11
5
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5x5=?
10
15
25
125
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-2
-35
-24
-56
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nước nào có diện tích lớn nhất
Trung Quốc
Việt Nam
Nga
Mĩ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8 Cl có nghĩa là gì?
8 chất clo.
8 nguyên tố Clo.
8 phân tử clo.
8 nguyên tử clo.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Năm phân tử hiđro viết là:
5H
5H2
H2
5 h2
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