Cho các este sau: etyl axetat, vinyl axetat, metyl propionat, metyl acrylat. Có bao nhiêu este tham gia phản ứng trùng hợp tạo thành polime?

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Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  It is a __________________.      

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions: 

  Do you know the woman ______ lives next door?         

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  I will come and see you before I _______ for America.

     

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:
  

  No one enjoys _______ in public.  

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  If she had known how awful this job was going to be, she _______it.       

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  John asked me _______ that film the night before.     

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:   

  ________the rise in unemployment, people still seem to be spending more.  

• Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the following questions:

  _____ it not been for the intolerable heat in the hall, they would have stayed much longer.             

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  That's no excuse! You know you ______ this report by today.         

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions:

  Indiana University, one of the largest in the nation, is located in a ____ town.