Sự điện ly pH
Quiz
•
Chemistry
•
11th Grade
•
Medium
Nguyen Duyen
Used 18+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phát biểu nào sau đây là đúng?
Môi trường axit có pH>7.
H2O có môi trường lưỡng tính.
Khi pH tăng thì độ axit giảm·
Khi nồng độ H+ tăng thì pH tăng.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dung dịch nào sau đây có pH < 7
NaOH.
NaCl.
HCl.
Na2CO3.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dung dịch HCl 0,01M. Giá trị pH của dung dịch có giá trị là
3
2,5
1
2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dẫn 4,48 lít khí HCl (đktc) vào nước thu được 2 lít dung dịch có pH là
3.
2.
0,69.
1.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dung dịch có [H+] = 0,01M. Môi trường của dung dịch là
Kiềm.
Axit.
Trung tính.
Không xác định.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Một dung dịch có [OH−] = 2,5.10-3 M. Môi trường của dung dịch là
axit
bazơ
trung tính
không xác định được
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dung dịch pH =2 có môi trường
không xác định được
trung tính
bazơ
axit
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