A certain element is a metalloid that forms an acidic oxide, `E_2 O_5`. Indentify the
Channel: Doubtnut
Date: 26/07/2020

A certain element is a metalloid that forms an acidic oxide, `E_2 O_5`. Indentify the element.  (b) `N_2` makes up about `79 %` of the atmosphere, why do not animals use the more abundant `N_2` instead of `O_2` for the biological processes ?