ÔN TẬP pH
Quiz
•
Chemistry
•
11th Grade
•
Hard
tâm nguyễn
Used 17+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là có môi trường bazơ?
Nước cam
Nước tinh khiết
Giấm
Nước rửa chén
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Giá trị pH của một dung dịch bazơ, có thể là bao nhiêu?
9
3
7
5
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Thang đo pH nằm trong khoảng từ
1-7
1-14
0-14
7-14
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khi hòa tan trong nước, chất nào sau đây làm cho quỳ tím chuyển màu xanh?
NaCl
NaOH
HCl
K2SO4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dung dịch HCl 0,010M ở 250C, 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
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dung dịch X có pH = 10, dd Y có pH = 3. Điều khẳng định nào sau đây là đúng
X có tính bazơ yếu hơn Y
X có tính axit yếu hơn Y
Tính axit của X bằng của Y
X có tính axit mạnh hơn Y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một dung dịch có [OH−] = 2,5.10-10 M. Môi trường của dung dịch là
axit
bazơ
trung tính
Không xác định
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