Question

Silver articles become black when kept in open for sometime, 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:

Explanation:

Silver turns black when exposed in atmosphere is due to the reaction of silver with hydrogen sulphide present in atmosphere. the chemical reaction is. 2Ag(s) +H2s(g)=Ag2 (s) +H2(g). Copper turns green in colour when it comes in contact with moist air the green substance is known as copper carbonate.the reaction is. 2Cu+co2+o2 +H2O=Cuco3.cu(OH)2. are both the examples of corrosion of metal

Read more on Brainly.in - https://brainly.in/question/1564382#readmore

Answer 2

Answer:silver reacts with hydrogen sulphide and copper reacts with moisure

Explanation:

2ag +h2s = ag2s + h2

2cu + co2 +o2 + h2o = cu(oh)2 +cuco3