Ôn tập kiểm tra phần oxi - lưu huỳnh -1
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Đinh Mỹ Linh
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19 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1 , 2
2,3
3,4
1,3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng điều chế H2S trong phòng thí nghiệm là
FeS + 2HCl → FeCl2 + H2S↑
PbS + 2HNO3 → H2S↑ + Pb(NO3)2.
C. 4Zn + 5H2SO4 → 4ZnSO4 + H2S↑ + 4H2O
D. CuS + 2HCl → CuCl2 + H2S↑
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các khí sau, khí nào không thể làm khô bằng H2SO4 đặc
A. SO2.
B. CO2.
C. H2S.
D. N2.
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Có các dung dịch: NaOH (1), H2SO4 loãng (2), Br2 (3), CuCl2 (4), FeCl2 (5). Các chất phản ứng với H2S là
NaOH (1)
H2SO4 (2)
Br2 (3)
CuCl2 (4)
FeCl2 (5)
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