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Chemistry
11th Grade
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28 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Phản ứng hóa học đặc trưng của ankan là
phản ứng thế.
phản ứng cộng.
phản ứng trao đổi.
phản ứng oxi hóa.
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Số phân tử hợp chất hữu cơ có trong nhóm hợp chất sau: CH4, CaC2, HCOOH, C2H5OH, CH5N, NH4HCO3 là
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Sản phẩm hữu cơ thu được khi sục khí etilen đi qua dung dịch nước brom là
C2H4Br2.
C2H6.
C2H5OH.
C2H4(OH)2.
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Buta-1,3-dien tác dụng với nhóm chất nào sau đây?
HCl, Br2, MnO2, CO2.
H2O, Cl2, NaCl, AgNO3/NH3.
Br2, HCl, KMnO4, O2.
Br2, HCl, KMnO4, AgNO3/NH3.
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Axetilen không được điều chế trực tiếp từ
CaC2 + H2O.
CaC2 + HCl.
nhiệt phân CH4 ở 15000C.
crackinh butan.
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Toluen có công thức là
C6H5-CH3.
C6H5-CH=CH2.
C6H6.
C6H5CH2-OH.
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Cho 2,24lit (đktc) hỗn hợp A gồm 2 olefin (anken) đồng đẳng kế tiếp nhau qua bình đựng dịch brom dư, thấy khối lượng của bình tăng thêm 3,5g. Xác định CTPT của 2 olefin?
C2H4 và C3H6.
C4H8 và C5H10.
C3H6 và C4H8.
C2H4 và C4H8.
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