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untitled
Quiz
•
Chemistry, Professional Development
•
11th - 12th Grade
•
Practice Problem
•
Medium
huongkhe nguyen
Used 2+ times
FREE Resource
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34 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các dung dịch acid, base, muối dẫn điện được là do trong dung dịch của chúng có các
ion trái dấu.
anion (ion âm).
cation (ion dương).
chất.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây không phân li ra ion khi hòa tan trong nước?
MgCl2.
HCl.
Ba(OH)2.
C6H12O6 (glucose).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại chất điện li mạnh?
CH3COOH.
C2H5OH.
H2O.
NaCl.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đối với dung dịch axit mạnh HNO3 0,10M, nếu bỏ qua sự điện li của nước thì đánh giá nào về nồng độ mol ion sau đây là đúng?
[H+] = 0,10M.
[H+] < [NO3-].
[H+] > [NO3-].
[H+] < 0,10M.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đối với dung dịch axit yếu CH3COOH 0,10M, nếu bỏ qua sự điện li của nước thì đánh giá nào về nồng độ mol ion sau đây là đúng?
[H+] = 0,10M.
[H+] < [CH3COO-].
[H+] > [CH3COO-].
[H+] < 0,10M.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các dung dịch có cùng nồng độ 0,1 M sau đây, dung dịch nào có pH cao nhất?
H2SO4.
HCl.
NH3.
NaOH.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho dãy các chất: Al2(SO4)3, C2H5OH, C12H22O11 (saccarozơ), CH3COOH, Ca(OH)2, CH3COONH4. Số chất điện li là
3
4
5
2
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