Sự điện li của nước - pH - chất chỉ thị màu
11th Grade
•10 Qs
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Sự điện li của nước - pH - chất chỉ thị màu
Quiz
•
Chemistry
•
11th Grade
•
Hard
nguyễn a
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Có những chất chỉ thị màu nào thường dùng? (chọn 2 đáp án đúng)
phenolphtalein
quỳ tím
giấy chỉ thị vạn năng
máy đo pH
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Tích số ion của nước có giá trị bằng? (nếu không thể viết công thức, hãy ghi đáp án bằng chữ và số)
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Dung dịch HCl 0,01M có pH = ?
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dung dịch NaOH 0,1 M có pH = ?
1
11
13
0,1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính nồng độ OH- của dung dịch HCl 0,01M.
10^-12
0,01
2
12
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sau khi nhúng quỳ tím vào dung dịch HCl 0,01M, quỳ tím hóa màu
đỏ
xanh
không đổi màu
hồng
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sau khi nhỏ phenolphtalein vào dung dịch Ba(OH)2, dung dịch đổi thành màu
hồng
xanh
đỏ
không đổi màu
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