Write the chemical name of the coating that forms on silver and copper articles when these are left exposed to moist air
Answers
Answered by
35
the metals react with oxygen
the chemical names are
1) Ag2O
2)CuO
the chemical names are
1) Ag2O
2)CuO
Answered by
2
Silver Sulphide and Copper Carbonate are the coatings formed on Silver and Copper articles respectively.
Explanation:
- The coating which forms on the silver article is generally blackish in colour.
- Its name is Silver Sulphide and its formula is given by
.
- It can also be somewhat green in colour which is formed by the coating of Silver Oxide.
- Similarly, the copper articles also turn green when exposed to a certain level of moisture which is due to the presence of Copper Carbonate.
- The mixture of copper carbonate chemical formula is given by
. It acquires a colour which is usually dull green.
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