A' on heating at 700^(@)C in air gives a white infusible amorphous pow – InterviewSolution

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1.	A' on heating at 700^(@)C in air gives a white infusible amorphous powder (B) which is decomposed when heated in the currect of steam to give white powder 'C' and a gas 'D'.'D' turns red litmus blue and in aqueous solution , gives reddish brown ppt with K_(2)HgI_(4). compound 'C on strong heating gives 'E. 'B' is
Answer» `BN` `B_(2)O_(3)` `SiO_(2)` `P_(4)O_(10)` Solution :Boron NITRIDE is formed and boron oxide as EXPLAINED above.

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