1760. H₂SO₄ (< 50% concentration) is corrosive to September 7, 2025 by Admin Aluminium, mild steel, stainless steel, concrete & tin Copper, cast iron & high silicon iron (14% Si) Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware ✅ The correct answer is option A.
