new doc 2018-04-10 (1)...apr 12, 2018 · 1+1 21/2 21/2 11/2 21/2 c6h5ch = _ cho ch2cho _ h 20...
TRANSCRIPT
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai
Scanned by CamScanner
Padasalai