KHTN 8 Tuần 20 Lớp 8A1

Quiz
•
Science
•
8th Grade
•
Hard
Tùng Vũ
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Base có công thức tổng quát là
M(OH)n
HnA
M2On
MOH
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dựa vào tính tan của base, có thể chia chúng thành mấy loại?
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Base nào sau đây thuộc loại base tan (kiềm)?
NaOH
Mg(OH)2
Al(OH)3
Cu(OH)2
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Base nào sau đây thuộc loại base không tan?
Fe(OH)3
Ca(OH)2
KOH
Ba(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg(OH)2 có tên gọi là
manganese hydroxide
magnesium hydroxide
sodium hydroxide
iron (II) hydroxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KOH có tên gọi là
kali hydroxide
potassium hydroxide
krypton hydroxide
carbon hydroxide
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
NaOH làm quỳ tím chuyển thành màu
xanh
đỏ
tím
vàng
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