
Base
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Mai Heo
Used 2+ times
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các base làm phenolphtalein hoá hồng
NaOH; Ca(OH)2; KOH
NaOH; Ca(OH)2; Zn(OH)2
Ba(OH)2; KOH; Al(OH)3
Ba(OH)2; Ca(OH)2; Fe(OH)3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các base dưới đây, base nào tan tốt trong nước?
Fe(OH)3.
KOH.
Fe(OH)2.
Cu(OH)2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây làm phenolphthalein chuyển sang màu hồng?
NaOH, KOH, Ca(OH)2.
HCl, NaCl, NaOH.
HNO3, Ba(OH)2, NaOH.
H2SO4, Ca(OH)2, KOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodium hydroxide công thức là ?
NOH
Ba(OH)2
KOH.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của Mg(OH)2
Potassium hydroxide.
Calcium hydroxide.
Magnesium hydroxide.
Aluminium hydroxide.
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