492Views2Replies

Author Options:

what makes those rocks in the party poppers pop? Answered

i know its some kind of reactant but what?

2 Replies

user
Jack A Lopez (author)2014-11-04

The secret ingredient is silver fulminate, according to this Wikipedia article:

http://en.wikipedia.org/wiki/Bang_snaps

Select as Best AnswerUndo Best Answer

user
Burf (author)2014-11-04

Snap rocks are gravel impregnated with a minute quantity of silver fulminate (AgCNO). Silver fulminate is a percussive that detonates under impact. Snap rocks are considered safe because the mass of the percussive is miniscule in comparison to that of the mass of the gravel.

Select as Best AnswerUndo Best Answer