
Hoá Học
Authored by Thanh Trúc Nguyễn
Chemistry
9th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hoá trị của carbon, oxygen, hydrogen trong hợp chất hữu cơ lần lượt là
A.IV, II, I.
В. ІІ, ІІ, І.
C. II, IV, I.
D. I, IV, VI.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH4 là thành phần chính của
binh gas, xăng dầu
đèn xì, chất dẻo.
khí mỏ than, khi đồng hành.
đất đèn, khí mỏ than.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những hợp chất nào sau đây là hợp chất hữu cơ?
CH3OH, CH3CI, CO.
CO2, NaHCO3, К2СО3.
H2CO3, C2H5OH, CCl4
C2H5COOH, C6H6, CH3COOC2H5.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những chất nào đều là hợp chất hữu cơ
CaO, C2H6, C2H5OH.
C2H2, C2H5OH, C6H6.
CO2, CO, Na2CO3.
NaCl, CH4, C2H4.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất dùng để kích thích cho quả mau chín là
CH4
C2H2
C2H4
C6H6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo của ethanol là
CH3-CH2-OH
CH3-O-CH3.
СН3СООН.
CH3 COOC2H5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo của acetic acid là
CH3COOH.
СН3CH20Н.
NaOH.
CH3COOC2H5.
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