KIỂM TRA HÓA 11 - CHƯƠNG 1 - LẦN 3
Quiz
•
Chemistry
•
11th Grade
•
Hard
LAM HUYNH
Used 73+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của chất mà khi điện li tạo ra ion Fe3+ và NO3- là
Fe(NO3)2.
Fe(NO3)3.
Fe(NO2)2.
Fe(NO2)3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dãy các axit: H2S, H2SO4, H2SO3, H2CO3, H3PO4, CH3COOH. Số axit nhiều nấc trong dãy trên là
3
4
5
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nồng độ mol của anion trong dung dịch Ba(NO3)2 0,1M là
0,1M.
0,2M.
0,3M.
0,4M.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Một dung dịch chứa x mol Na+; y mol Ca2+; z mol HCO3-; t mol Cl-. Hệ thức liên hệ giữa x, y, z, t là
x + 2y = z + t.
x + 2y = z + 2t.
x + 2z = y + t.
z + 2x = y + t.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch A chứa 0,2 mol SO42- và 0,4 mol Cl- cùng với x mol K+. Giá trị của x là
0,5
0,7
0,8
0,1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Có thể tồn tại một dung dịch nào chứa các ion sau
Na+, Cu2+, OH-.
K+, NH4+, H+.
Al3+, NH4+, H+, Cl-
K+, H+, NO3-, CO32-.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong dung dịch HCl (dung môi là nước) có thể chứa
HCl, H+, Cl-.
H+, Cl-.
HCl.
H+, HCl.
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