Trong công nghiệp người ta có thể điều chế $C{H}_{3}COOH$bằng phương pháp nào sau đây ?

 

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  There’s a serious accidents on my way here. Many people were injured but only some __________ to hospital.

• Choose the best answer for the following sentence:

  The teacher as well as her students ____________ stuck in the lift but they were all safe after the police came.
  
  

• Choose the best answer for the following sentence:

  Do you often get your bike _______________ ?
  
  

• Choose the best answer for the following sentence:

  My family is trying ___________ where to spend our holiday.
  
  

• Choose one sentence that has the same meaning to the root one:

  “I have just bought a new bike for you”, said my mother.
  
  

• Choose one sentence that has the same meaning to the root one:

  It was such a boring play that we left the theater in the middle.
  
  

• Choose the best answer for the following sentence:

  With these outstanding pictures he was voted to be the best ___________ of the year.
  
  

• Choose the best answer for the following sentence:

  Five becomes eight by ___________ three.
  
  

• Choose the best answer for the following sentence:

  The people who cannot hear and speak are _________________.
  
  

• Choose the best answer for the following sentence:

  The look different _____________ students in other class because they are less mentally developed.