Question

A student has been collecting silver coins and copper coins. One day he observed a black coating on silver coins and a green coating on copper coins. Which chemical phenomenon is responsible forthese coatings? Write the chemical name of black and green coatings and also write the chemical reactions involved.

please answer quickly
don't write wrong ans

Answer 1

hey user i hope it will be usefull
it is the phenomenon of rusting
in iron rust gets in reddish brown colour
in silver it gets blackish brown incolour
and in copper it gets in green