Hóa 4

Hóa 4

10th Grade

20 Qs

quiz-placeholder

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Hóa 4

Hóa 4

Assessment

Quiz

Architecture

10th Grade

Practice Problem

Hard

Created by

Hoai Nguyen

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

. Polime nào sau đây có cấu trúc mạch phân nhánh?

A. Poli(vinyl clorua).     

B. Poliacrilonitrin.  

C. Poli(vinyl axetat).          

D. Amilopectin.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Etyl propionat là este có mùi thơm của dứa. Công thức của etyl propionat là

  

A. HCOOC2H5.                                                        

B. C2H5COOC2H5.

 

  C. C2H5COOCH3.                                                  

   D. CH3COOCH3.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Số nguyên tử oxi trong phân tử Gly–Ala–Glu  là

A. 7.                                      

B. 5.                                  

C. 4.                                

  D. 6.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Polime được tổng hợp bằng phản ứng trùng ngưng là

A. Polietilen.      

B. Nilon-6,6.      

  C. Tơ nitron.           

   D. Poli(vinyl clorua).

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

. Polime được tổng hợp bằng phản ứng trùng ngưng là

A. Polietilen.      

  B. Nilon-6,6.            

C. Tơ nitron.             

D. Poli(vinyl clorua).

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Số đồng phân amin bậc 1 có công thức phân tử C3H9N là

   A. 4.                           

   B. 3.                            

  C. 2.                         

     D. 5.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Axit nào sau đây là axit béo không no?

A. Axit stearic.                

  B. Axit axetic.                  

    C. Axit acrylic.                 

D. Axit oleic.

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