Câu hỏi về hóa trị
8th Grade
•58 Qs
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Câu hỏi về hóa trị
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
ThuyAi lynguyen
Used 2+ times
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58 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biết công thức hợp chất là Al₂X₃, X có hóa trị bao nhiêu?
I
II
I
III
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất XY₄, X có hóa trị IV, vậy hóa trị của Y là:
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất có công thức XCl₃. Biết clo có hóa trị I. Hóa trị của X là:
I
II
III
IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho biết Al(OH)₃, OH có hóa trị I. Vậy Al có hóa trị:
II
III
I
IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất X₂(SO₄)₃, hóa trị của X là:
I
III
II
IV
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức CaX₂, biết Ca hóa trị II → X là nguyên tố có hóa trị:
I
II
III
IV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất Fe₂O₃, oxi có hóa trị II. Hóa trị của Fe là:
I
III
II
IV
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