
KHTN 8-Bài 10. THANG pH
Authored by edu win
Social Studies
8th Grade
Used 2+ times

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29 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nhóm các dung dịch có pH > 7 là:
A. HCl, HNO3.
B. NaCl, KNO3.
C. NaOH, Ba(OH)2.
D. H2O, H2SO4.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nhóm các dung dịch có pH < 7 là:
A. HCl, NaOH.
B. H2SO4, HNO3.
C. NaOH, Ca(OH)2.
D. BaCl2, NaNO3.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Có 4 dung dịch X, Y, Z, T. Dung dịch có độ base mạnh nhất khi
A. pH = 8.
B. pH = 12.
C. pH = 10.
D. pH = 14.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Đất kiềm có
A. pH = 7.
B. pH >7.
C. pH <7.
D. pH =5.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nước chanh ép có
A. pH < 7.
B. pH = 7.
C. pH > 7.
D. 7 < pH < 9.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dung dịch được tạo thành từ sulfur dioxide với nước có
A. pH = 7.
B. pH > 7.
C. pH< 7.
D. pH = 8.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxide nào sau đây khi tác dụng với nước tạo ra dung dịch có pH > 7?
A. CO2.
B. SO2.
C. CaO.
D. P2O5.
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