
CUỐI KÌ 1 BÀI 9 BÀI 11 BÀI 12 BÀI 14 BÀI 15
Quiz
•
Chemistry
•
8th Grade
•
Medium
chón nỳ
Used 1+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Điền vào chỗ trống: "Base là những ... trong phân tử có nguyên tử kim loại liên kết với nhóm ... Khi tan trong nước, base tạo ra ion ..."
Đơn chất, hydrogen, OH-
Hợp chất, hydroxide, OH-
Đơn chất, hydroxide, H+
Hợp chất, hydrogen, H+
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Base làm chất nào từ không màu thành màu hồng?
Quỳ tím
Phenolphthalein
Tinh bột
Nước
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Base nào là kiềm?
Ba(OH)2
Cu(OH)2
Mg(OH)2
Fe(OH)2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Base tác dụng với dung dịch acid tạo thành
Base mới và acid mới
Base mới không tan và nước
Muối và nước
Acid mới và khí hydrogen
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Tìm phát biểu đúng
Base là hợp chất mà phân tử có chứa nguyên tử kim loại
Kiềm là các hydroxide tan tốt trong nước
Base hay còn gọi là kiềm
Base không tan gọi là kiềm
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trong các chất sau: KCl, AgCl, Ca(OH)2, CuSO4, Ba(OH)2, KHCO3. Số chất thuộc hợp chất base là:
1
2
4
3
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Base nào sau đây không tan trong nước?
Potassium hydroxide
Copper (II) hydroxide
Barium hydroxide
Sodium hydroxide
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