
KHTN 8 - Ôn thi CK2
Authored by Luna Jan
Business
8th Grade
Used 2+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acid là phân tử khi tan trong nước phân li ra ion
OH-
H+
Ca2+
Cl-
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch base làm phenolphthalein không màu chuyển màu
xanh
hồng
trắng
vàng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào là acid
Ca(OH)2
Mg(OH)2
NaCl
H2SO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn có chứa acetic acid với nồng độ
7%-10%
10%-15%
6%-10%
2%-5%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch base làm quỳ tím chuyển sang màu
xanh
hồng
trắng
vàng
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào là base
KOH
HCl
NaCl
K2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch làm quỳ tím hóa xanh
KCl
NaNO3
NaOH
HCl
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