pyrophosphorous acid मीनिंग इन हिंदी

उदाहरण वाक्य

1. On standing the anydrous acid undergoes rearrangement and disproportionation to form a mixture of isohypophosphoric acid, HPO ( OH )-O-PO 2 ( OH ); pyrophosphoric acid H 2 P 2 O 7 and pyrophosphorous acid.