★附:化学方程式的书写专项训练
一、物质与氧气的反应
(1)单质与氧气的反应(化合反应)
1.镁在空气中燃烧:_________________________________________________________________
2.铁在氧气中燃烧:_________________________________________________________________
3.铜在空气中受热:_________________________________________________________________
4.铝在空气中燃烧:_________________________________________________________________
5.氢气在空气中燃烧:_______________________________________________________________
6.红磷在空气中燃烧:_______________________________________________________________
7.硫粉在空气中燃烧:_______________________________________________________________
8.碳在氧气中充分燃烧:_____________________________________________________________
9.碳在氧气中不充分燃烧:___________________________________________________________
(2)化合物与氧气的反应
10.一氧化碳在氧气中燃烧:__________________________________________________________
11.甲烷在空气中燃烧:______________________________________________________________
12.酒精在空气中燃烧:______________________________________________________________
二、几个分解反应
13.水在直流电的作用下分解:________________________________________________________
14.加热氯酸钾(有少量的二氧化锰):_________________________________________________
15.加热高锰酸钾:__________________________________________________________________
16.碳酸不稳定而分解:______________________________________________________________
17.高温煅烧石灰石:________________________________________________________________
三、还原金属氧化物的几个反应
18.氢气还原氧化铜:________________________________________________________________
19.木炭还原氧化铜:________________________________________________________________
20.焦炭还原氧化铁:________________________________________________________________
21.一氧化碳还原氧化铜:____________________________________________________________
22.一氧化碳还原氧化铁:____________________________________________________________
23.一氧化碳还原四氧化三铁:________________________________________________________
四、单质、氧化物、酸、碱、盐的相互反应
(1)金属单质+酸——盐+氢气(置换反应)
24.锌和稀硫酸:_____________________________________________________________________
25.铁和稀硫酸:_____________________________________________________________________
26.镁和稀硫酸:_____________________________________________________________________
27.铝和稀硫酸:_____________________________________________________________________
28.锌和稀盐酸:_____________________________________________________________________
29.铁和稀盐酸:_____________________________________________________________________
30.镁和稀盐酸:_____________________________________________________________________
31.铝和稀盐酸:_____________________________________________________________________
(2)金属单质+盐(溶液)——另一种金属单质+另一种盐(溶液)(置换反应)
32.铁和硫酸铜溶液反应:_____________________________________________________________
33.锌和硫酸铜溶液反应:_____________________________________________________________
34.铜和硝酸银溶液反应:_____________________________________________________________
(3)某些金属氧化物+酸——盐+水(复分解反应)
35.氧化铁和稀盐酸反应:_____________________________________________________________
36.氧化铁和稀硫酸反应:_____________________________________________________________
(4)某些非金属氧化物+碱——盐+水
37.苛性钠暴露在空气中变质:________________________________________________________
38.苛性钠吸收三氧化硫气体:________________________________________________________
39.消石灰放在空气中变质:________________