
11-chương 1 ôn tập
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
Thảo Ly
Used 3+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
tăng nhiệt độ của hệ.
giảm nồng độ HI.
tăng nồng độ H2.
giảm áp suất chung của hệ
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Giảm nhiệt độ và giảm áp suất
Tăng nhiệt độ và tăng áp suất.
Giảm nhiệt độ và tăng áp suất
Tăng nhiệt độ và giảm áp suất
3.
MULTIPLE CHOICE QUESTION
5 sec • 5 pts
Dung dịch chất nào sau không dẫn điện?
C2H5OH
NaCl
NaHCO3.
CuSO4
4.
MULTIPLE CHOICE QUESTION
5 sec • 5 pts
Chỉ ra câu trả lời sai về pH
pH = - lg[H+]
[H+] = 10a thì pH = a
pH + pOH = 14
[H+].[OH-] = 10-14
5.
MULTIPLE CHOICE QUESTION
5 sec • 5 pts
Công thức hóa học của chất mà khi điện li tạo ra ion Fe3+ và SO42- là:
FeSO4
Fe(HSO4)2
Fe2(SO4)3
Fe(HSO3)2
6.
MULTIPLE CHOICE QUESTION
5 sec • 5 pts
Trong dung dịch CH3COOH (dung môi nước) chứa:
CH3COOH, CH3COO-
H+, CH3COO-
CH3COOH, H+
CH3COOH, CH3COO-, H+
7.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Nồng độ của ion SO42- trong dung dịch Al2(SO4)3 0,25M là
0,25M
0,5M
0,75M
1M
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