已知铝和强碱溶液反应也可生成氢气,如2Al+2NaOH+2H 2O=2NaAlO 2+3H 2↑.若某溶液中加入铝产生了氢气,则在此溶液中一定能大量共存的物质组是( )
FeCl 3NaNO 3KCl
KNO 3Na 2CO 3Na 2SO 4
Na 2SO 4BaCl 2NaCl
KNO 3NaNO 3NaCl