
Hoá GK2 9
Authored by TH-THCS-THPT Hang
Computers
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các hợp chất nào sau đây là hợp chất hữu cơ ?
CH4, C2H6, CO2.
C6H6, CH4, C2H5OH.
CH4, C2H2, CO.
C2H2, C2H6O, CaCO3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây đều là hiđrocacbon ?
C2H6, C4H10, C2H4.
CH4, C2H2, C3H7Cl.
C2H4, CH4, C2H5Cl.
C2H6O, C3H8, C2H2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hoá trị của cacbon, oxi, hiđro trong hợp chất hữu cơ lần lượt là:
IV, II, II.
IV, III, I.
II, IV, I.
IV, II, I.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
: Nguyên tử cacbon có thể liên kết trực tiếp với nhau tạo thành các dạng mạch cacbon là:
mạch vòng.
mạch thẳng, mạch nhánh.
mạch vòng, mạch thẳng, mạch nhánh.
mạch nhánh.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của metan là :
CH4.
C2H4.
C3H4.
C4H.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo đúng của metan:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức phân tử của etilen là :
CH4.
C2H4.
C3H4.
C4H.
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