CỦNG CỐ BÀI 3-H11
Quiz
•
Chemistry, Science, Other
•
11th - 12th Grade
•
Hard
Mai Dao
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Các phát biểu sau:
(1) Môi trường kiềm là dung dịch có pH ‹ 7
(2) Dung dịch có pH = 1 thì [H+] = 0,1M.
(3) Trong dung dịch có [H+] = [OH-] là môi trường trung tính .
(4) Môi trường có pH = 5 làm quỳ tím hóa đỏ.
(5) Dung dịch có [H+] càng lớn thì có pH càng lớn.
Số phát biểu đúng là
1.
2.
3.
4.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dung dịch có pH = 3 thì dung dịch có [H+] là
0,3M.
0,003.
0,0001.
0,001.
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Trong dung dịch HCl 0,001 M.Tích số ion của nước là
[ H+] .[OH-] <1,0.10 -14.
[ H+] .[OH-]> 1,0.10 -14.
[ H+] .[OH-] =1,0.10 -14.
không xác định được.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dung dịch HNO3 0,01M có giá trị pH là
1.
2.
12.
13.
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Dung dịch X có pH = 11. Môi trường của dung dịch X là
Trung tính.
Axit.
Lưỡng tính.
Kiềm.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dung dịch Y có [OH-] = 10-4M. pH của dung dịch Y là
4
10
11
7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ dùng quỳ tím , có thể nhận biết ba dung dịch riêng biệt nào sau đây ?
HCl, NaNO3, Ba(OH)2
H2SO4, HCl, KOH.
H2SO4, NaOH, KOH
Ba(OH)2,NaCl, Na2S
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