
Trắc nghiệm bài 3 - hoá 11
Authored by Phương Bùi
Chemistry
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Câu 1. Môi trường acid có
A. [H+]= 10-7
B. [H+]< 10-7
C. [H+]> 10-7
D. [H+]= 10-14
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Câu 2. Dung dịch nào sau đây có pH = 7?
A.NH4Cl.
B. NaOH.
C. HCl.
D. Nước cất.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 3. Dung dịch có pH>7 là
A. NaOH
B. HCl
C. HNO3
D. H2SO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4. Dung dịch có pH< 7 là
A. KOH
B. HCl
C. H2O
D. Ba(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5. Một dung dịch có [H+] = 10-10 M. Môi trường của dung dịch là
A. Acid.
B. Kiềm.
C. Trung tính.
D. Không xác định được
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Dung dịch X chứa NaOH 0,001M
Nhận xét nào sau đây là sai
A. Dung dịch X có pH= 12
B. Dung dịch X làm quỳ tím chuyển sang màu xanh.
C. Dung dịch X có. nồng độ OH- là 10-3 M
D. Dung dịch X làm dung dịch phenolphthalein chuyển sang màu hồng.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7 : Phát biểu không đúng là
A. Môi trường kiềm có pH < 7.
B. Môi trường kiềm có pH > 7.
C. Môi trường trung tính có pH = 7.
D. Môi trường axit có pH < 7.
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