পটেছিয়াম ছৰবেটপটেছিয়াম পাৰমেংগানেট
পটেছিয়াম ডাইক্ৰ’মেট (Assamese)
1. Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds... from wikipedia.org