Which one is used as a by-product in Serpeck' | vedclass

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(A) The Serpeck's process is used for the purification of bauxite ore containing silica as an impurity.In this process,bauxite is heated with coke and

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$NH_3$

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(A) The Serpeck's process is used for the purification of bauxite ore containing silica as an impurity.In this process,bauxite is heated with coke and nitrogen at $1800 \ ^\circ C$ to form aluminum nitride $(AlN)$.The chemical reaction is: $Al_2O_3 + 3C + N_2 \rightarrow 2AlN + 3CO$.The aluminum nitride $(AlN)$ formed is then hydrolyzed with water:$AlN + 3H_2O \rightarrow Al(OH)_3 + NH_3$.Thus,ammonia $(NH_3)$ is obtained as a by-product in this process.

Which one is used as a by-product in Serpeck's process?

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