An element (A) extracted from kernite. A reacts with nitrogen at high temperature gives B. A reacts with alkali to form C. Find out A, B and C. Give the chemical equations.

Explanation

(i) An element (A) extracted form kernite is boron.
(ii) Boron reacts with nitrogen at high temperature gives Boron nitride (B)
`underset((A))(2B)+N_(2) overset(Delta)(to)underset((B))(2BN)`