Quote Originally Posted by Marvo View Post
When I was younger, we would fill plastic bottles 1/5 full with small balls of tin foil and then fill 1/2 of it with HCl, put the cap on the bottle, shake it real quick and then throw it far away. Basically the pressure of gasses build up inside and eventually explode the bottle, making an incredibly loud boom. We're not sure which gasses came out of it though. Probably hydrogen and chloride. Yummy! Collapsed lungs!
And HCl is a strong Acid, so if the bottle explodes it's a fair bet it's flying around. Why would you do something as dangerous as that, when there are easier ways of making things explode?