An electric violin is a violin equipped with an electronic output of its sound. The term most properly refers to an instrument intentionally made to be electrified with built-in pickups, usually with a solid body.It can also refer to a violin fitted with an electric pickup of some type, although "amplified violin" or "electro-acoustic violin" are more accurate in that case.
Copper chromite is produced by thermal decomposition of one of three substances. The traditional method is by the uncatalyzed ignition of copper chromate:. CuCrO 4 → CuCrO 3 + O. Copper barium ammonium chromate is the most commonly used substance for production of copper chromite.
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