
de thi tn hoa hoc
Quiz
•
Special Education
•
9th - 12th Grade
•
Practice Problem
•
Medium
Huy Huy
Used 3+ times
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62 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Phenol tác dụng với tất cả các chất trong nhóm nào sau đây :
Na , HCl , KOH , dd Br2
CO2 + H2O , Na , NaOH ,dd Br2
K,NaOH,ddBr2 ,HNO3( xt H2SO4 đ,t0).
Na , KOH , CaCO3 , CH3COOH.
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Ứng với công thức phân tử C5H12 có bao nhiêu ankan đồng phân của nhau?
4
5
3
6
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Etanol và phenol đồng thời phản ứng được với:
Na, dung dịch Br2
Na, CH3COOH
Na
Na, NaOH
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Axít cacboxylic no, đơn chức, mạch hở có công thức phân tử chung là:
CnH 2n+1COOH ( n ≥ 1)
CnH 2n+1COOH ( n ≥ 0).
CnH 2n+2COOH ( n ≥ 0)
. CnH 2n-1COOH ( n ≥ 1)
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dãy các chất nào sau đây đều làm mất màu : dung dịch brom trong nước ?
. Propilen, but-2-in , stiren.
Propin, etan, toluen.
Propin, propan, axetilen.
. But-2-in, butan, stiren.
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dãy các ancol nào sau đây phản ứng với CuO (t0) đều tạo anđehit:
Etanol, 2-metylpropan-1-ol.
Etylen glicol, pentan-3-ol
. Metanol, butan-2-ol
Propan-2-ol, propan-1-ol
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Tên thay thế (IUPAC) của hợp chất sau là gì ?
2-đimetylpent-4-en
2,2-đimetyleten
4-đimetylpent-1-en
4,4-đimetylpent-1-en
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