
Thang pH
Interactive Video
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Phước La
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị pH của máu bình thường nằm trong khoảng nào?
7,35 đến 7,45
6,5 đến 7,5
7 đến 8
6 đến 7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu dung dịch có pH lớn hơn 7, thì môi trường của dung dịch đó là gì?
Acid
Kiềm
Trung tính
Không xác định
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấy chỉ thị phenolphthalein sẽ chuyển sang màu gì khi pH đạt 8?
Màu đỏ
Màu tím
Màu hồng
Màu xanh
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mưa acid xảy ra khi pH của nước mưa nhỏ hơn bao nhiêu?
6,5
7
8
5,6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tại sao pH lại quan trọng đối với sức khỏe con người?
Nó ảnh hưởng đến sự phát triển của thực vật
Nó ảnh hưởng đến sức khỏe và chức năng của cơ thể
Nó không quan trọng
Nó chỉ quan trọng trong hóa học
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