সবুজ ভিট্রিয়ল কি?
সবুজ ভিট্রিয়লের সংকেত হলো : FeSO4·7H2O
By Mithu Khan
I am a blogger and educator with a passion for sharing knowledge and insights with others. I am currently studying for my honors degree in mathematics at Govt. Edward College, Pabna.