
muoi
Quiz
•
Science
•
2nd Grade
•
Medium
hue minh
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là muối
NaHCO3
H3PO4
Mg(OH)2
H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp chất nào sau đây thuộc muối trung hòa
Na2CO3, KHCO3
MgCl2, CaCO3
NaHSO3, KHSO4
Cu(NO3)2, KHSO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phản ứng: FeCl2 + AgNO3--> X +kết tủa Y. Y là
AgCl
Fe(NO3)2
Fe(NO3)3
FeCl3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: NaOH, BaCl2, Ca(NO3)2 tác dụng với H2SO4. Số kết tủa tạo ra là
2
1
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: CuCl2, MgCl2, NaCl, HCl, FeCl2 tác dụng với KOH. Số phản ứng tạo tạo kết tủa là
3
2
1
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các cặp phản ứng sau: NaCl + AgNO3, HCl + KOH, CaSO4 + BaCl2. Số phản ứng xảy ra là
2
3
4
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 6,4 g Cu tác dụng hoàn toàn với dung dịch AgNO3 dư thu được m g chất rắn. Giá trị m là
21,6g
10,8g
18,4g
32,1g
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