
Ôn Tập Lý Thuyết Base
Quiz
•
Chemistry
•
9th Grade
•
Medium
Khanh Ng
Used 1+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Base là những chất làm cho quỳ tím chuyển sang màu nào trong số các màu sau đây?
Đỏ.
Xanh.
Tím.
Vàng.
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Base làm chất nào từ không màu thành màu hồng?
Quỳ tím.
Phenolphthalein.
Tinh bột.
Nước.
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Base nào là kiềm?
Ba(OH)2.
Cu(OH)2.
Mg(OH)2.
Fe(OH)2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Base tác dụng với dung dịch acid tạo thành:
Base mới và acid mới.
Muối và nước.
Base mới không tan và nước.
Acid mới và khí hydrogen.
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Dãy các bazơ làm phenolphthalein hoá đỏ?
NaOH; Ca(OH)2; Zn(OH)2; Mg(OH)2.
NaOH; Ca(OH)2; KOH; LiOH.
LiOH; Ba(OH)2; KOH; Al(OH)3.
LiOH; Ba(OH)2; Ca(OH)2; Fe(OH)3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Hóa chất được sử dụng trong công nghiệp để sản xuất giấy, nhôm, chất tẩy rửa, ... là
Ca(OH)2.
Ba(OH)2.
KOH.
NaOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Chỉ dùng nước có thể nhận biết chất rắn nào trong 4 chất rắn sau đây?
Zn(OH)2.
Fe(OH)2.
NaOH.
Al(OH)3.
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