
test trắc nghiệm hôa
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Easy
Khiết Như
Used 2+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sự điện li
phân hủy các chất khi tan trong nước để tạo chất mới
phân li thành ion của các chất khi tan
quá trình kết hợp giữa các ion tạo thành ptu
phản ứng giữa các ion tạo ra chất kết tủa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào không phải chất điện ly
CuO
CuCL2
HCl
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acid yếu
HClO
HCl
HI
H2SO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
base???
H2O
NH3
NaCl
HCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Môi trường acid là môi trường có độ pH ntn??
<10
=7
>7
<7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi một hệ đạt trạng thái cân bằng thì trạng thái đó là
cân bằng tĩnh
cân bằng động
cân bằng bền
cb ko bền
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acid??
NH3
Na+
HCOOH
NaOH
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