Chuyên đề 1 : Các hợp chất vô cơ - BASE
2nd Grade
•36 Qs
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Chuyên đề 1 : Các hợp chất vô cơ - BASE
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Easy
Danh Trần
Used 2+ times
FREE Resource
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36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là base ?
KOH
HCl
NaCl
H2SO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phải base ?
NaOH
NaHCO3
Cu(OH)2
Fe(OH)3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong số các base sau đây, base nào không tan trong nước ?
KOH
Fe(OH)2
Ba(OH)2
NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím hóa xanh ?
NaCl
Na2SO4
NaOH
HCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy dung dịch chất nào sau đây làm phenolphtalein chuyển sang màu hồng/đỏ ?
HCl, NaCl, NaOH
HNO3, Ba(OH)2
NaOH, KOH
H2S, Ca(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm các base làm quỳ tím ẩm hóa xanh là :
Ba(OH)2, Ca(OH)2
Ba(OH)2, Cu(OH)2
Mg(OH)2, Ca(OH)2
Mg(OH)2, Ba(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri hidroxit / sodium hydroxide (hay xút ăn da) là chất rắn, không màu, dễ nóng chảy, hút ẩm mạnh, tan nhiều trong nước và tỏa ra một lượng nhiệt lớn .
Công thức hóa học của antri hidroxit / sodium hydroxide là
Ca(OH)2
NaOH
NaHCO3
Na2CO3
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