12 Hóa chương 6 7 chống liệt
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
Trần Thanh
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46 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây thuộc nhóm IA trong bảng tuần hoàn?_
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở nhiệt độ cao, nhôm khử được oxit kim loại nào sau đây?_
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở nhiệt độ thường, kim loại nào sau đây phản ứng mãnh liệt với nước?_x000D_
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính cứng tạm thời của nước do các muối canxi hiđrocacbonat và magie hiđrocacbonat gây nên. Anion có trong nước cứng tạm thời là
SO32-.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phèn chua được dùng làm trong nước. Công thức thu gọn của phèn chua là_x000D_
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây thuộc nhóm IIA trong bảng tuần hoàn?_x000D_
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên liệu chính dùng để sản xuất nhôm là_x000D_
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