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what makes those rocks in the party poppers pop? Answered

i know its some kind of reactant but what?

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Burf

3 years ago

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.