
Ôn Tập Hóa Học 9
Authored by Chou Phwg
Chemistry
9th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần các nguyên tố trong hợp chất hữu cơ?
Nhất thiết phải có carbon, thường có H, hay gặp O, N sau đó đến halogen, S, P...
Gồm có C, H và các nguyên tố khác.
Bao gồm tất cả các nguyên tố trong bảng tuần hoàn.
Thường có C, H hay gặp O, N, sau đó đến halogen, S, P.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm các chất đều gồm hợp chất hữu cơ là
K2CO3, CH3COOH, C2H6, C2H6O.
C6H6, Ca(HCO3)2, C2H5Cl, CH3OH.
CH3Cl, C2H6O, C3H8, CH3COONa.
C2H4, CH4, C3H7Br, CO2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây đều là hợp chất hydrocarbon?
C2H6, CH4, C6H6, C2H4.
CH4, CH3Cl, FeCl3, NaOH.
C2H6O, CO2, Na2CO3, CH3NO2.
C6H5NH2, C4H10, C5H12, C4H8.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có phần trăm khối lượng carbon lớn nhất là
CH4.
CH3Cl.
CH2Cl2.
CHCl3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các công thức cấu tạo sau: CH3-CH2-CH2-CH2-OH Các công thức trên biểu diễn mấy chất?
1.
2.
3.
4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các trái cây, trong quá trình chín sẽ thoát ra một lượng nhỏ chất khí là
Methane.
Ethane.
Ethylene.
Propane.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi đốt cháy các hợp chất hữu cơ đều thấy tạo ra
NO.
CO2.
HCl.
H2CO3.
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