filmov
tv
Reactivity of Alkali Metals with Water
![preview_player](https://i.ytimg.com/vi/1K11U6jRNq4/maxresdefault.jpg)
Показать описание
Lithium, Sodium, and Potassium metals reacting with water to produce hydrogen gas, dissolved metal ions, hydroxide ions, and heat. Phenolphthalein indicator is added to visualize the change in pH from neutral to basic as the reaction proceeds. Explosions and fires ensue!