Question

Silver articles become black when kept in open for some time, whereas
copper vessels lose their shiny brown surfaces and gain a green coat
when kept in open. Name the substances present in air with which these
metals react and write the name of the products formed.​

Answer 1

Answer:

Carbondioxide reacts with cpper and loose their shine and oxygen reacts with silver and becomes black

Explanation:

Answer 2

Answer:

this is the correct answer......