Oil of vitriol is an older term for concentrated sulfuric acid, which is a highly corrosive and active chemical.
गंधक का तेजाब
English Usage: Chemists used oil of vitriol extensively in industrial processes.
Hindi Usage: रासायनिक में तेल उद्योगों की प्रक्रियाओं में गंधक का तेल व्यापक रूप से प्रयोग होता था।
gandhak ka tel, gandhak ka tail, ghandhak ka tel, gandhka tel, gundak ka tel, ghandhak ka tail, gandhak ka teli, ghandak ka tel
