Kiểm tra 15 phút
Quiz
•
Chemistry
•
11th Grade
•
Medium
Nhật Phạm
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CHO SƠ ĐỒ PHẢN ỨNG NHƯ HÌNH VẼ. KHÍ Y TRONG HÌNH LÀ
C2H4
CH4
C2H2 VÀ CH4
C2H2 VÀ C2H4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
CHỌN PHƯƠNG TRÌNH ĐIỀU CHẾ AXETILEN TRONG PHÒNG THÍ NGHIỆM
CaC2 + 2H2O ---> C2H2 + Ca(OH)2
2CH4 (1500 0C, lạnh nhanh) ---> C2H2 +3 H2
C2H5OH ( H2SO4 đặc,1700C) ---> C2H4 + H2O.
CH3COONa + NaOH ( CaO, t0C) ---> CH4 + Na2CO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CHO THÍ NGHIỆM Ở HÌNH BÊN, CHẤT KẾT TỦA VÀNG NHẠT LÀ
NH3
AgNO3
Ag2C2
CaC2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CÂU 12: SỐ ĐỒNG PHÂN ỨNG VỚI CTPT C5H12 LÀ
3
2
4
5
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là đồng đẳng của CH2O?
CH4O
C6H12O6
C6H12O
C2H4O2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất có công thức cấu tạo sau có bao nhiêu liên kết pi(π): CH ≡ C - CH = CH2
1
2
3
4
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