
Hóa học
Authored by Lan Hoàng
Other
8th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 7: Trong các chất sau: HCl, AgCl, Ca(OH)2, CuSO4, Ba(OH)2, KHCO3. Số chất thuộc hợp chất muối là
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 8: Tên gọi của Cu(OH)2 là
Copper oxide
Copper hydroxide.
C. Copper(II) hydroxide.
D. Copper hydride.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 12: Tên gọi của oxide có công thức P2O5 là
A. Diphosphorus trioxide.
B. Phosphorus oxide.
C. Diphosphorus oxide.
D. Diphosphorus pentoxide.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 13: Dãy chất sau đây chỉ gồm oxide
MgO, CaO, CuO, FeO.
SO2, CO2, NaOH, CaSO4.
CaO, Ba(OH)2, MgSO4, BaO.
MgO, Ba(OH)2, CaSO4, HCl.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 14: Oxide nào sau đây là oxide acid?
CuO.
Al2O3.
CO2
CO
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 3: Phosphoric acid là tên gọi của acid nào sau đây?
H3PO4
HNO3
H3PO3
H2SO4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 5: Dung dịch nào sau đây làm đổi màu quỳ tím thành đỏ?
Nước muối
Giấm ăn
Nước cất
Nước xà phòng
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