HÓA HỌC VUI VẺ
8th - 12th Grade
•10 Qs
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HÓA HỌC VUI VẺ
Quiz
•
Chemistry
•
8th - 12th Grade
•
Hard
nguyethuong chu
Used 15+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kí hiệu hóa học của nguyên tố natri?
Mg
S
Na
Fe
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Chất nào là kim loại?
Ba
N2
Ag
Cl2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
công thức hóa học của natriclorua ?
KCl
NaBr
Na2CO3
NaCl
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
chất nào là bazơ
CaO
HNO3
KOH
NaHCO3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
hợp chất CO2 có khối lượng phân tử bằng bao nhiêu?
12
32
28
44
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hợp chất Fe2O3 ,hóa trị của sắt và oxi lần lượt là bao nhiêu?
II và III
II và II
III và II
III và III
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
công thức hóa học của axit sunfuric?
H2SO3
H2S
H2SO4
NaHSO4
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