Truy tìm kí ức

Quiz
•
Chemistry
•
1st - 3rd Grade
•
Hard
Jackson Alan
Used 8+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi có hóa trị…
IV.
III.
II.
I.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidro có hóa trị…
I.
II.
III.
IV.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tính thể tích dung dịch nào sau đây là đúng?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C% là kí hiệu của…
độ tan.
nồng độ mol.
tỉ khối của chất khí.
nồng độ phần trăm.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trong công thức kí hiệu m là
số mol.
thể tích.
khối lượng.
khối lượng mol.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là base (bazo)?
NaOH.
SO2.
HCl.
BaSO4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2SO4 là…
oxide (oxit).
base (bazo).
acid (axit).
muối (salt).
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dãy chất sau: KOH, HCl, Na2O, MgO, CO2, MgCl2. Có bao nhiêu oxide (oxit)?
2.
3.
4.
5.
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