Question

a silver coin which has turned black is kept in about blind with Aluminium foil then the bowl is filled with water and boiled after sometime the darkness of disappeared and it was shiny explain the chemical reaction involved in the process ​

Answer 1

Answer:

here Silver is reacts with Chlorine gas and produce Silver chloride.

Explanation:

Ag(s)+ Cl2(g)========* AgCl2 Brown