General science on Instagram: "The video shows a man throwing a pound of sodium into a lake, which results in a massive explosion and a cloud of white smoke. Sodium reacts violently with water, releasing hydrogen gas and heat, which then ignites and causes the explosion. The reaction also produces sodium hydroxide, which is a strong base and can be harmful to the environment. ​#sodium #water #explosion #chemistry #experiment science nature lake smoke reaction sodiumhydroxide hydrogen gas heat en