
mimi
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Kayviam Bui
Used 1+ times
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64 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây là chất điện yếu ?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây là chất điện li mạnh ?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho phương trình ion rút gọn: H+ + OH- → H2O. Phương trình hóa học dạng phân tử tương ứng có thể là:
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phản ứng có phương trình ion rút gọn S2- + 2H+ → H2S là
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dung dịch HNO3 0,01M có :
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dung dịch Ba(OH)2 0,005M có:
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trộn 100 ml dung dịch có pH = 1 gồm HCl và H2SO4 với 100 ml dung dịch NaOH nồng độ a mol/l thu được 200 ml dung dịch X có pH = 13. Giá trị của a là?
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