高锰酸钾在较低温度下,就能分解产生氧气、锰酸钾和二氧化锰:
2KMnO4 加热 K2MnO4 + MnO2 + O2↑(实验室制氧气原理1)
MnO2对氯酸钾起了催化作用,使氯酸钾在较低的温度下,迅速产生氧气.
2KCIO3 加热 2KCI +3O2 ↑
猜你喜欢
- 1Tom didn't used to be quiet,he used to be o____.
- 2煤石油天然气沼气水能地热都是由太阳能转化的吗?
- 3一辆汽车以相同的速度从甲地开到乙地要5分之4小时,已经行了16千米,花了5分之1小时.问:甲、乙两地相距
- 4急求英语3分钟口语对话
- 5与、之的用法
- 6巧算(11*10*9……*3*2*1)/(22*24*25*27)
- 7She hasn’t much feeling for the beauty of nature
- 8what time is it when 20 dogs are after 1 cat?
- 9she didn't really want to train for the stage or to take up the profession seriously,she just wanted to show she could b
- 10甲、乙两汽车由县城给市里送货,甲汽车时速42千米,乙汽车时速45千米