KT thử giữa kì 1- Lần 1
Quiz
•
Chemistry
•
11th Grade
•
Medium
Thảo Như
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch chất nào sau đây KHÔNG dẫn điện được?
HCl trong C6H6 (benzen).
Ca(OH)2 trong nước.
CH3COONa trong nước.
NaHSO4 trong nước.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây dẫn điện được?
KCl rắn, khan.
CaCl2 rắn.
dung dịch C2H5OH (rượu etylic).
HBr hòa tan trong nước.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây là axit?
CH3COONa
NaOH
NaCl
CH3COOH.
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Chất nào sau đây là bazo?
NaOH
HNO3
HCl
NaCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình điện li viết đúng là
NaCl → Na2+ + Cl2-
Ca(OH)2 → Ca2+ + 2OH-
C2H5OH → C2H5+ + OH-
CH3COOH → CH3COO- + H+
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch nào sau đây làm quỳ tím hóa xanh?
HNO3
NH3
CH3OH
NaCl
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch nào sau đây làm quỳ tím hóa đỏ?
NaOH
Na3PO4
HNO3
NaCl
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