Question

the process due to which black layer on silver and copper is called​

Answer 1

the process to which the black layer on silver and copper is called corrosion of silver and copper

the process to which the black layer on silver and copper is called corrosion of silver and copperdeclaration form and silver metal is black in colour

• the process to which the black layer on silver and copper is called corrosion of silver and copperdeclaration form and silver metal is black in colour the correlation is found in copper metal it is green in colour