
Luyện tập _ Một số hợp chất vô cơ thông dụng
Quiz
•
Science
•
8th Grade
•
Medium
Thuỷ Nguyễn
Used 2+ times
FREE Resource
30 questions
Show all answers
1.
OPEN ENDED QUESTION
1 min • 1 pt
Điền vào chỗ trống: "Base là những ... trong phân tử có nguyên tử kim loại liên kết với nhóm ... Khi tan trong nước, base tạo ra ion ..."
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2.
OPEN ENDED QUESTION
30 sec • 1 pt
Cho các base sau: Sodium hydroxide, Barium hydroxide, Iron (II) hydroxide, đồng (II) hydroxide, Calcium hydroxide, aluminium hydroxide. Số các base không tan trong nước là
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3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho 200 ml dung dịch NaOH 0,1M vào 200 ml dung dịch FeCl2 0,2M thu được m gam kết tủa. Giá trị của m là
0,9
3,6
1,8
0,45
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là acid?
HCl
NaCl
Ba(OH)2
MgSO4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho 200g dung dịch KOH 5,6% vào dung dịch CuCl2 dư. Tính khối lượng chất kết tủa sau phản ứng thu được.
9,8g
8,9g
5,4g
10,8g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nước chanh ép có
pH < 7
pH = 7
pH > 7
pH < 9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chỉ ra Oxide acid: : P2O5, CaO, CuO, BaO, SO2, CO2
P2O5, CaO, CuO, BaO
BaO, SO2, CO2
CaO, CuO, BaO
SO2, CO2, P2O5
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