
TN Hóa 9 số 4
Authored by Nguyễn Long
Chemistry
8th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch bazơ làm quỳ tím chuyển sang màu
đỏ
xanh
đen
vàng
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch bazơ làm dung dịch phenolphtalein không màu chuyển sang màu
xanh
tím
vàng
hồng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dung dịch NaOH tác dụng với dung dịch H2SO4 thu được sản phẩm là
Na2SO4 và H2O
Na2O và H2O
Na2SO3 và H2O
Na2SO4, SO2 và H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch Ba(OH)2 tác dụng được với oxit nào sau đây?
CuO
MgO
Fe2O3
CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng giữa cặp chất nào sau đây tạo ra chất kết tủa?
NaOH và HCl
Zn(OH)2 và H2SO4
Ba(OH)2 và H2SO4
Cu(OH)2 và HCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là bazơ?
KNO3
HCl
Ca(OH)2
Al2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bazơ nào sau đây tan được trong nước?
Mg(OH)2
KOH
Cu(OH)2
Fe(OH)3
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