
seedha neela 15

pratyaksh neela 15 ack carbonic yaugik haye jise ack aizo dye key roop mein vargeekrit kiya gayaa haye. yeh gahare neele paani mein ghulansheel thhos haye. yeh ack lokpriya mool rung haye, jiska arth haye kii yeh sooti aur sambandhit cellulosic samagri key liye upayogi haye. yeh upayukt nafthlein dysulphonate key saath oh-dianysidine key aizo yugman dwara utpaadit hotaa haye.