
ôn tập kiểm tra giữa kì 2
Quiz
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Medium
Quỳnh Phi
Used 1+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi có tính chất vật lí là
nặng hơn không khí.
có mùi hắc.
tan nhiều trong nước.
không thể tan trong nước.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dù ở nhiệt độ thích hợp, khí oxi vẫn không phản ứng được với
Fe.
Al2O3.
S.
P.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình hóa học viết đúng khi lưu huỳnh tác dụng với khí oxi là
S + 2O --> SO2.
S2 + 2O2 --> 2SO2.
S2 + 4O --> 2SO2.
S + O2 --> SO2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào là oxit?
BaCO3.
HCl.
FeO.
KClO3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P2O5 có tên gọi là
photpho oxit.
điphotpho pentaoxit.
photpho (II) oxit.
photpho pentaoxit.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào thuộc oxit axit?
BaO.
MgO.
SO3.
FeO.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào thuộc oxit bazơ?
N2O5.
K2O.
CO2.
P2O5.
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