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Decrepitation is the act of heating up a calcine, also known as a salt, to the point that it crackles or continuously until the crackling stops.
What causes Decrepitation?
Decrepitation is the noise produced when certain chemical compounds are heated, or it refers to the cracking, or breaking-up of lumps of limestone during heating. Such compounds include lead nitrate and calcine.
Is decrepitude a noun?
DECREPITUDE (noun) definition and synonyms | Macmillan Dictionary.