35.
In the refining of silver, silver is obtained from silver nitrate by using copper metal. Write
down the reaction involved?
36.
A shiny hrown coloured clement when heated in air becomes black. Name the element
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Answer:
The silver nitrate is in solution and the metallic copper will dissolve to form copper nitrate; as it does, it will precipitate the silver in solution as metallic silver. That is, copper is exchanged for the silver in solution and silver is replaced by the copper that is not in solution.
The following chemical reaction is involved:
Explanation: please mark me as brilliant
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