Paaras Thakur
Aug 25, 2020 • 1h 30m
53K followers • Chemistry
Dec 12, 2021 • 2h 1m • 2.1K views
Group 13 - B and its compounds their important reactions ,borax , boric acid and diborane , based questions . Group-14 , carbon and its compounds , silicones and silicates ,PYQs