
Giua ky I
Authored by Nguyễn Nhân
Chemistry
9th Grade
Used 1+ times

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 1: Oxit bazơ K2O có thể tác dụng được với oxit axit là:
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 2: Dãy các chất tác dụng được với oxit bazơ Na2O là:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 3: Cho các oxit bazơ sau: Na2O, FeO, CuO, Fe2O3, BaO. Số oxit bazơ tác dụng với nước ở nhiệt độ thường là
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 4: Oxit nào sau đây phản ứng với nước ở điều kiện thường?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 5: Trong những dãy oxit sau, dãy gồm những chất tác dụng được với nước để tạo ra dung dịch kiềm là:
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 6: Dãy các chất nào tác dụng được với nước?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bài 7: Khí carbon monoxide (CO) có lẫn tạp chất là khí carbon dioxide (CO2) và sunfur dioxide (SO2). Dùng dung dịch nào sau đây để tách được những tạp chất ra khỏi CO?
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