
TỔNG HỢP
Quiz
•
Other
•
11th Grade
•
Hard
32-Lâm 10M
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3
6
5
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4
3
5
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
1
4
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
5
4
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
5
4
3
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
5
4
3
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mục đích của sinh hàn là để tăng hiệu suất của phản ứng.
Lắc đều hỗn hợp phản ứng để tăng khả năng tiếp xúc của các chất phản ứng.
H2SO4 đặc có vai trò vừa làm chất xúc tác vừa làm chất hút nước.
Trong bước 3, chưng cất ở 210oC để loại nước và thu lấy nitrobenzene.
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