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{:("COLUMN-I","COLUMN-II"),("A) Tear gas","p)" (C_(2)H_(4)Cl)_(2)S),("B) Musturd gas ","q)" COCl_(2)),("C) Phosgene","r)" C Cl_(3)NO_(2)),("D) Teflon","s)" (C_(2)F_(4))_(n)):} |
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