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Authored by Linh Lê
English
Professional Development
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43 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
::CH161:: Ethanol tác dụng với acid acetic (môi trường H2SO4)tạo ra ethyl acetat có...
- Mùi thơm
- Mùi chua
- Mùi trứng thối
- Mùi hắc
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
::CH162:: Chất nào sau đây có mùi thơm
-H2S
CH3COOC2H5
H2SO4
C2H5OH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH163: Acetat phản ứng với các acid (mạnh hon acid acetic) giải phóng....
-Acid acetic
- Muối acetat
- Acid sulfuric
-Acid hydroloric
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH164:CH3COO + H -> ......
- Muối acetat
-Acid sulfuric
-Acid acetic
-Acid hydroloric
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
::CH165:: Acetat phản ứng với các acid (mạnh hơn acid acetic) giải phóng acid
acetic có........
-Mùi thơm
- Mùi chua
- Màu đỏ gạch
- Màu xanh thẩm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CH166:: CH3COOH + C2H5OH -> CH3COOC₂H5+.....
- Ethyl acetat
-H2O
-Muôi acetat
-2 H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
::CH167:: Muối amoni bị phân hủy khi đun nóng với NaOH giải phóng khí
-Carbonic
-Clo
-Oxy
-Amoniac
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