Ôn tập giữa kì 1 hóa 11
11th Grade
•40 Qs
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Ôn tập giữa kì 1 hóa 11
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Thuc phuong
Used 2+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất sau, chất nào là chất điện li yếu ?
Mg(OH)2.
HNO3.
KOH.
Fe2(SO4)3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình điện li nào sau đây không đúng?
H2SO4→ 2H+ + SO42-.
NaHCO3 → Na+ + H+ + CO32-.
Cu(OH)2 ⇄ Cu2+ + 2OH-.
HClO ⇄ H+ + ClO-.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các dung dịch: CH3COOH 0,1M; HCl 0,1M; H2SO4 0,1M; HNO3 0,1M. Dung dịch có nồng độ cation H+ thấp nhất là
CH3COOH.
H2SO4.
HNO3.
HCl.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nồng độ ion NO3– trong dung dịch Fe(NO3)3 0,05 M là
0,10M.
0,20M.
0,15M.
0,05M.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 50ml dung dịch HCl 0,10 M tác dụng với 50ml dung dịch NaOH 0,12 M thu được dung dịch A. Khi cho quỳ tím vào dung dịch A thì quỳ tím có màu
xanh.
đỏ.
tím.
không màu.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch H2SO4 0,005M có pH là
2,0.
2,3.
12,0.
11,7.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phát biểu nào sau đây đúng ?
Khi cho quỳ tím vào dung dịch có pH = 7,35 thì quỳ tím hóa đỏ.
Trong dung dịch NaOH ở 25oC thì [H+].[OH-] > 1,0.10-14.
Nhỏ 1 giọt phenolphtalein vào dung dịch HCl 0,01M thì thu được dung dịch có màu hồng.
Dung dịch có [OH-] = 2,0.10-9M là môi trường axit.
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