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( )
A. |
FeCl 3NaNO 3KCl |
B. |
KNO 3Na 2CO 3Na 2SO 4 |
C. |
Na 2SO 4BaCl 2NaCl |
D. |
KNO 3NaNO 3NaCl |
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( )
A. |
FeCl 3NaNO 3KCl |
B. |
KNO 3Na 2CO 3Na 2SO 4 |
C. |
Na 2SO 4BaCl 2NaCl |
D. |
KNO 3NaNO 3NaCl |