Chất nào sau đây là base

BASE

Quiz
•
Others
•
9th - 12th Grade
•
Medium
Minh Thư
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
HCl
KOH
NaCl
CaO
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Calcium hydroxide được sử dụng rộng rãi trong nhiều ngành công nghiệp, công thức của calcium hydroxide là
NaOH
Ba(OH)2
Ca(OH)2
CaO
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch nào sau đây làm quỳ tím hoá xanh
NaOH
HCl
Na2SO4
NaCl
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong số các base sau, base nào là kiềm
Cu(OH)2
Ca(OH)2
Al(OH)3
Fe(OH)3
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Base tan và base không tan có tính chất chung là
Làm đổi màu giấy quỳ tím sang đỏ
Làm phenolphtalein không màu hoá hồng
Tác dụng với dung dịch acid
Còn có tên gọi khác là kiềm
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Có thể dùng chất nào sau đây để khử độ chua của đất
Vôi tôi
Muối ăn
Hydrochloric acid
Cát
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy chất làm phenolphtalein không màu hoá hồng là
NaOH, Ca(OH)2, KOH
Fe(OH)3, HCl, BaCl2
H2SO4, NaCl, Zn(OH)2
Mg(OH)2, Al(OH)3, Zn(OH)2
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