【初中化学】41个实验反应的动图
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_0.gif1、瓶中事先倒入了少量浓氨水,并让氨气挥发与空气混合。燃烧匙里放的东西是三氧化二铬(Cr2O3),在此起到了催化的作用。
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_1.gif
2、把手插入醋酸钠过饱和溶液后的现象
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_2.gif
3、红绿灯瓶 中的溶液加入了3种成分:氢氧化钠、D-葡萄糖和靛蓝胭脂红( ,或称酸性靛蓝)。
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_3.gif
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_4.gif
4、白细胞追杀细菌
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_5.gif
5、铝和碘反应
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_6.gif
6、通过硬币运行高压电
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_7.gif
7、将油墨投进煤油后的变化…
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_8.gif
8、当硼砂溶于热水中时,会达到饱和状态。当水冷却后,硼砂就会以晶体的形式析出,也就是“结晶”。从而达到水晶一样的效果。
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_9.gif
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_10.gif
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_9.gif
9、魔性之环:平皿薄层上的B-Z反应(-反应)
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_12.gif
10、水下花园:硅酸钠的水溶液中加入一些金属盐类的结晶颗粒(例如铜盐、钴盐等)
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_13.gif
11、干冰与镁:镁条点燃后放在干冰当中,反应式:2Mg +CO2 → 2MgO + C,反应发出耀眼的强光。
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_14.gif
12、实验室中制造的翻滚的云,可以看到在面板上凝结的呈六边形的密集水滴
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_15.gif
13、水滴入沙子中
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_16.gif
14、爆竹爆炸慢放
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_17.gif
15、燃烧汞产生硫氰化物
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_18.gif
16、醋酸钠瞬间结冰
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_19.gif
17、酱油里的氯化钠会引起乌贼的肌肉痉挛
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_20.gif
18、 重铬酸铵分解
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_21.gif
19、金属锂燃烧
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_22.gif
20、发光的氨氧化
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_23.gif
21、醋酸钠的结晶
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_24.gif
22、蜡烛重燃(冒着白烟是固体蜡烛小颗粒蒸汽、可燃)
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_25.gif
23、硫化氢燃烧
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_26.gif
24、甘氨酸 - 硝酸盐和硝酸钡、硝酸锆和氧化钇的硝酸盐
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_27.gif
25、火柴燃烧
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_28.gif
26、 比重比空气还大的六氟化硫
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_29.gif
27、浓硫酸加入对硝基苯
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_30.gif
28、 液氮和乒乓球
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_31.gif
29、 过氧化氢+碘化钾
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_32.gif
30、 人造雪花(聚丙烯酸酯钠水)
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_33.gif
31、超冷水接触到冰立刻凝固
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_34.gif
32、铁棒置换硫酸铜
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_35.gif
33、碘钟反应(跟倒水没关系,变色反应有个周期,还能变回来)
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_36.gif
34、氢气+火
为氢气遇到火,氢气易燃易扩散,在空气中可以爆炸式燃烧。看看这辆飞跃火海的遥控车!有木有大片即视感!
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_37.gif
35、水+液氮
这腾腾升起的蘑菇云,当然不是核弹爆炸!只是液氮与水的激烈接触!
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_38.gif
36、金属铯+水
小编跟你讲,这个太危险,未成年不要轻易去玩,成年人也表调皮,全年龄限制!
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_39.gif
37、铯+氟气
把最活泼的金属铯与最活泼的非金属氟气放在一起!美不美!
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_40.gif
38、二乙基锌+空气
龙为何会喷火?其实喷的不是火,是二乙基锌!二乙基锌遇空气自燃!
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_41.gif
39、氯酸钾+糖
需要火箭原料吗?
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_42.gif
40、三碘化氮
轻轻一碰就爆炸,想想诺贝尔当年也是蛮拼的~~~
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_43.gif
41、锶+硫磺
亮瞎了~~~
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_44.gif
http://kuailexuexi.net/data/attachment/forum/20241005/1728083139129_45.png
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