A:a电极的材料应为铁
B:d为苯,其作用为防止空气中的O2把Fe(OH)2氧化
C:电解液c可以是NaCl溶液、NaOH溶液等
D:若电解过程中阳极消耗铁11.2g,理论上阴极产生气体为4.48L
The doctor advised her to eat more bean products________meat which might be harmful to her heart.
下列式子能用提公因式法分解因式的是 ( )