KIỂM TRA THI HỌC KÌ 1 HÓA 10
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Easy
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62 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tố Magnesium thuộc nhóm IIA của bảng tuần hoàn. Công thức hóa học của oxide, hydroxide (ứng với hóa trị cao nhất) của nguyên tố trên lần lượt là:
MgO; MgOH.
Mg2O; MgOH.
MgO; Mg(OH)2.
MgO2; Mg2O
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tố chlorine thuộc nhóm VIIA của bảng tuần hoàn. Công thức hóa học của oxide, hydroxide (ứng với hóa trị cao nhất) của nguyên tố trên lần lượt là:
Cl2O3; HClO3.
Cl2O5; HClO4.
Cl2O7; HClO4.
ClO4; HClO.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho các oxide sau: Na2O, MgO, Al2O3; SiO2. Trong các oxide trên, oxide có tính base mạnh nhất là
A.
Na2O.
MgO.
Al2O3.
SiO2.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
X, Y, T
X, T, Y
T, X, Y
T, Y, X
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Al(OH)3, Mg(OH)2, NaOH
NaOH, Mg(OH)2, Al(OH)3
Mg(OH)2, Al(OH)3, NaOH
Al(OH)3, NaOH, Mg(OH)2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H2SO4
HClO4
H2SiO3
H2PO4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Oxide nào sau đây tan trong nước tạo thành dung dịch làm đổi màu quỳ tím thành đỏ?
Na2O.
MgO.
CaO.
P2O5.
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