Which of the following is used as a common preservative for fish and meat to check their spoilage? मछली तथा मांस को संदूषित होने से बचाने के लिए किस सामान्य परिरक्षक का उपयोग किया जाता है?
Assertion : For drying H2S, Conc. H2SO4 cannot be used.
Reason: Moist H2S is oxidized by Conc.H2SO4
The correct statement with regard to H+2 & H−2 is