15. 硝酸鐵(II)的化學式為?
(A)Fe(NO2 ) 2
(B)Fe(NO3 ) 2
(C)Fe 2 (NO3 ) 3
(D)Fe 2NO3

答案:登入後查看
統計: A(4), B(62), C(10), D(1), E(0) #2836037