Chemistry, asked by suneel9, 1 year ago

if you collect silver coin qnd copper coin after some day a black coating on silver coin and a green coating on copper coin which

Answers

Answered by pranshu271
0
because of reaction
and it is corrosion
Answered by Akshata1111
2
this is because of process called corrosion.
The process occurs when any substance say it as metal comes in contact with moist,acid ,etc.
1)silver becomes black because of the formation of silver sulphide .
2) Copper becomes green because of formation of copper carbonate..
hope it helps
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