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         | 
      1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50 | |
|  
         | 
      AB  | 
      A  | 
      E  | 
      B  | 
      D  | 
      MC explained 
         Part 7: Laboratory Part 8: Mechanisms Part 9 : Synthesis Part 10 : Structure Det.  | 
    
|  
         | 
      E  | 
      E  | 
      ABD  | 
      C  | 
      E  | 
      |
|  
         | 
      E  | 
      BCE  | 
      E  | 
      C  | 
      E  | 
      |
|  
         | 
      C  | 
      A  | 
      BCD  | 
      AE  | 
      D  | 
      |
|  
         | 
      A  | 
      CD  | 
      DE  | 
      A  | 
      E  | 
      |
|  
         | 
      E  | 
      D  | 
      D  | 
      A  | 
      D  | 
      |
|  
         | 
      C  | 
      CDE  | 
      AE  | 
      E  | 
      D  | 
      |
|  
         | 
      E  | 
      BCD  | 
      C  | 
      C  | 
      E  | 
      |
|  
         | 
      D  | 
      ABDE  | 
      ABE  | 
      C  | 
      B  | 
      |
|  
         | 
      C  | 
      C  | 
      D  | 
      D  | 
      E  |