Hoá trị của S trong công thức SO2 là

Hỗn hợp

Quiz
•
Others
•
9th - 12th Grade
•
Medium
Minh Thư
Used 5+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
II
IV
VI
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nguyên tố Iron có hoá trị mấy
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên của hợp chất N2O5 là
Nitrogen oxide
Nitrogen (II) oxide
Dinitrogen petaoxide
Dinitrogen oxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây không tan trong nước
NaOH
H2SO4
Mg(OH)2
HCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên của nguyên tố có kí hiệu hoá học Zn là
Zinc
Iron
Potassium
Sodium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên của chất có công thức H2S là
Hydrosulfuric acid
Sulfuric acid
Dihydro sulfur
Nitric acid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất được tạo bởi kim loại liên kết với nhóm hydroxide là
Acid
Base
Oxide
Nước
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