The chemical is used to make many everyday products from plastics and textiles to antifreeze and disinfectants.

Polish Test: Rubbing the item with a soft white cloth can reveal black residue, indicative of tarnish—a common characteristic of silver due to oxidation. The presence of such residue suggests ...

Scientists have discovered a potentially greener way to produce a crucial industrial chemical used to make many everyday products from plastics and ...

Orange copper is visible on the surface of the zinc. When solid copper is placed in Ag+ solution, the solution becomes faintly blue as copper metal is oxidized to Cu2+. White slivers of silver metal ...