
ôn tập tn hk1
Quiz
•
Chemistry
•
9th - 12th Grade
•
Easy
Sương Nguyễn
Used 1+ times
FREE Resource
77 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm chất nào sau đây chỉ gồm các chất điện li mạnh?
HI, H2SO4, HNO3
HCl, Ba(OH)2,CH3COOH
HNO3, MgCO3, HF
NACl, H2S, (NH4)2SO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhúng giấy quỳ tím vào dd có pH=5 thì
quỳ tím ko đổi màu
quỳ tím hoá xanh
quỳ tím hoá đỏ
quỳ tím bị mất màu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất điện li yếu
NaCl
KOH
CH3COOH
H2SO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhúng giấy quỳ tím vào dd có pH=10 thì màu của giấy quỳ
Tím
Xanh
Đỏ
Ko đổi màu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo A-re-ni-uyt, chất nào sau đây là bazơ
NaOH
HClO
C2H5OH
CuSO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo thuyết A-re-ni-uyt, chất nào sau đây là bazơ
NaOH
NaHCO3
C2H5OH
HNO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình ion rút gọn nào ứng với phản ứng giữa các chất sau: Na2SO4 + BaCl2 —>
SO4²- + Ba²+ —> BaSO4
Na+ + Cl- —> NaCl
SO4²- + 2Na+ —> Na2SO4
2Cl- + Ba²+ —> BaCl2
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