CNSL(C6​H6​O)n​+CH2​O→Phenolic Resin (C6​H6​O-CH2​)n​ Explanation:C₆H₆O = PhenolCHâ‚‚O = Formaldehyden = Number of repeating units in polymer chainonce mixed with fillers (like silica, sand, or acid-resistant aggregates) and a hardener, it forms Acid Proof Phenolic Mortar, which is exceptionally resistant to acids and alkalis.Features of C₆H₆OFeatureDetailsChemical Resista ... Continue