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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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