
Hóa - HK2 (40 câu mới)

Quiz
•
Chemistry
•
7th Grade
•
Easy
Ba Bui
Used 2+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 5. Hợp chất Alx(NO3)3 có phân tử khối là 213. Giá trị của x là
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 6. Từ công thức hóa học của aluminium sulfate là Al2(SO4)3. Cho biết ý nào sau đây không đúng?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 7. Hợp chất Alx(NO3)3 có khối lượng phân tử là 213 amu. Giá trị của x là
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