
Hoá nè
Authored by Thục Phương
Business
2nd Grade
Used 6+ times

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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CTPT của các chất thuộc dãy đồng đẳng Ankin là
CnH2n-2
CnH2n
CnH2n+2
CnH2n-6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C2H6
C2H5OH
CH3Cl
C2H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CTCT thu gọn của stiren là:
C6H5-CH3
C6H5-CH=CH2
C6H5-OH
C6H6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho CH3-CH=Ch2 phản ứng với nước (có H+ xt) thu được sản phẩm có CTCT là:
CH3-C(OH)=CH2
CH3-CH(OH)-CH3
CH3-CH=CH(OH)
CH3-CH2-CH2OH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho sơ đồ dãy chuyển hoá: C2H2 -> X ->C2H5OH ->C2H5Cl. X là:
C2H6
C4H4
CH3OH
C2H4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Có 2 bình không nhãn đựng hexan và hex-1-en. Hoá chất dùng phân biệt là:
Phenolphtalein
dung dịch brom
quỳ tím
dung dịch agno3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
đốt cháy hh 1 anken và 1 ankan, so sánh số mol co2 và h2o nào đúng:
nco2 = nh2o
nco2 > nh2o
nco2 < nh2o
nco2 <= nh2o
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