Paaras Thakur
Aug 25, 2020 • 1h 30m
53K followers • Chemistry
Apr 25, 2021 • 1h 30m • 3K views
General properties of Boron family, halides ,oxides , hydrides etc. compounds of boron ,based questions . carbon family , halides , oxides of group 14, allotropes of carbon and silicates