Preparation of elemental Cobalt - Rhodanide
Copper(I) chloride
https://en.wikipedia.org/wiki/Copper(I)_chloridePreparation of CuCl from metal copper and CuCl2 - Rhodanide
Copper (I) chloride preparation using hypophosphite - ChemPlayer
Copper chromite
copper-chromiteCopper Chromite Catalyst (for decarboxylation) - Doug's Lab
Copper chromite
https://en.wikipedia.org/wiki/Copper_chromite