天气预报 > 其他 > 硫化钠溶于水后的颜色怎样
硫化钠溶于水后的颜色怎样
更新时间: 2020-09-25 00:00:00  

硫化钠溶于水后是无色的,但久置后会与空气中的氧气反应,出现淡黄色浑浊固体。

硫化钠又称臭碱、臭苏打、黄碱、硫化碱。硫化钠为无机化合物,纯硫化钠为无色结晶粉末。吸潮性强,易溶于水。水溶液呈强碱性反应。触及皮肤和毛发时会造成灼伤。故硫化钠俗称硫化碱。硫化钠水溶液在空气中会缓慢地氧化成硫代硫酸钠、亚硫酸钠、硫酸钠和多硫化钠。

关键词: 硫化钠 颜色 怎样

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