
Bài kiểm tra hóa học
Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Hoàng Trang
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào thuộc nhóm IA
K
Fe
Cu
Mg
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na có hóa trị mấy
II
IV
III
I
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một nguyên tố hóa học được đặc trưng bởi
số proton
số notron
số electron
số proton và notron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu hóa học của nguyên tố hidro là
N
C
H
O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử khối của nguyên tố oxi
8
16
32
40
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch bazo
CO2
Na2O
SO2
P2O5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vôi sống có công thức hóa học la
Ca
Ca(OH)2
CaCO3
CaO
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