Choose the correct tests with respective observations.
(A) $CuS{O_4}$ (acidified with acetic acid) $ + {K_4}\left[ {Fe{{(CN)}_6}} \right] \to $ Chocolate brown precipitate.
(B) $FeC{l_3} + {K_4}\left[ {Fe{{(CN)}_6}} \right] \to $ Prussian blue precipitate.
(C) $ZnC{l_2} + {K_4}\left[ {Fe{{(CN)}_6}} \right]$ , neutralised with $N{H_4}OH \to $ White or bluish white precipitate.
(D) $MgC{l_2} + {K_4}\left[ {Fe{{(CN)}_6}} \right] \to $ Blue precipitate.
(E) $BaC{l_2} + {K_4}\left[ {Fe{{(CN)}_6}} \right]$, neutralised with $NaOH \to $ White precipitate.
Choose the correct answer from the options given below :