23. 四氧化三铁溶于稀盐酸______________________________________________________
22. 氧化亚铁与稀硝酸__________________________________________________________
21. 铁与过量稀硝酸____________________________________________________________
20. 铁与水____________________________________________________________________
19. 偏铝酸钠溶液中通过量二氧化碳______________________________________________
18. 氯化铝与碳酸氢钠溶液______________________________________________________
17. 氯化铝与偏铝酸钠溶液______________________________________________________
16. 硫酸铝与氨水______________________________________________________________
15. 氢氧化铝受热分解__________________________________________________________
14. 氢氧化铝与氢氧化钠溶液____________________________________________________