Which reaction does not produce ammonia?

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(C) The thermal decomposition of ammonium dichromate is given by: $(NH_4)_2Cr_2O_7 \xrightarrow{\Delta} N_2 + Cr_2O_3 + 4H_2O$. This reaction produces

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$(NH_4)_2Cr_2O_7 \xrightarrow{\Delta}$

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(C) The thermal decomposition of ammonium dichromate is given by: $(NH_4)_2Cr_2O_7 \xrightarrow{\Delta} N_2 + Cr_2O_3 + 4H_2O$. This reaction produces nitrogen gas $(N_2)$,not ammonia $(NH_3)$. In contrast,the other reactions produce ammonia: $1$. $NH_4I + KOH 	o KI + NH_3 + H_2O$ $2$. $N_2 + 3H_2 \xrightarrow[{Fe/Mo}]{\Delta} 2NH_3$ (Haber process) $3$. $Mg_3N_2 + 6HCl_{(aq)} 	o 3MgCl_2 + 2NH_3$

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