
Đi tìm nhà Hóa học thông thái
Quiz
•
Science, Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Mai Nguyễn
Used 19+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Có mấy loại oxit?
2 loại: Oxit axit và oxit bazơ.
3 loại: Oxit axit, oxit bazơ và oxi lưỡng tính.
4 loại: Oxit axit, oxit bazơ, oxit lưỡng tính và oxit trung tính.
có rất nhiều loại.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Trong các oxit sau đây: CO2, SO2, BaO, Fe2O3, P2O5,... Đâu là oxit axit?
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Các chất nào sau đây đều là oxit bazơ ?
BaO, CO2, FeO, CaO.
CaO, Al2O3, CuO, BaO.
SO2, CuO, ZnO, Na2O.
BaO, CaO, ZnO, CO2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là kim loại?
C
Ca
S
P
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
chất nào sau đây là phi kim?
Ca
Cu
C
Na
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Công thức tính khối lượng chất (m) là
m = n : M
m = n . M
m = M : n
m = 22,4.n
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Công thức tính thể tích khí ở điều kiện tiêu chuẩn là
V = 24.n
V = n : 22,4
V = n.22,4
V = 22,4 : n
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