Hiđro - Nước - Axit - Bazơ - Muối
Quiz
•
Chemistry
•
University
•
Hard
nhung nguyen
Used 8+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của nước là
H2O
HO2
HO
H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất vật lí nào sau đây là của nước?
Chất lỏng, không màu, không mùi, sôi ở 100oC
Chất lỏng, không màu, không mùi, sôi ở 78,3oC
Chất lỏng, màu trắng, không mùi, sôi ở 100oC
Chất lỏng, màu trắng, không mùi, sôi ở 78,3oC
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây tác dụng được với H2O
Na
Cu
Fe
Zn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là bazơ
HCl
NaCl
NaOH
CaO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là axit
H2SO4
KHSO4
SO3
K2SO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tỉ lệ về khối lượng của Hidro và oxi trong nước là:
mH2: mO2 = 2:8
mH2: mO2 = 8:1
mH2: mO2 = 1:8
mH2: mO2 = 1:4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các muối sau: NaHSO4, NaHCO3, Na2SO4, Fe(NO3)2. Số muối thuộc loại muối axit là
0
1
2
3
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