rajputrudra2007 Asked: December 2022 it is a poisnoud colourness gas used in the outward process to produce nitric acid
rajputrudra2007 Asked: December 2022 it is a coluorness gas ised in the ostwald pracess to produce nitric asid
rajputrudra2007 Asked: December 2022 it is a colourness odourless gas that is often known as the marsh gas