A metal p when exposed to the moist air for longer period of time loses its shiny brown surface and gains a green coat. Why this happened identify the metal write the name and chemical formala of this grren coloured compound list any two ways to prevent this process
Answers
Answered by
36
the metal is copper.copper reacts with moist carbon dioxide in air and slowly loses its shiny brown surface and gains a green coat.the green substance is basic copper carbonate.
chemical formula of basic copper carbonate=CuCO₃.Cu(OH)₂
Answered by
28
Hi friends
Here is your answer I hope this will help you .
The metal has corroded because of being exposed to moist air.
Green compound is basic copper carbonate [CuCO3. Cu (OH)2]
The metal is copper.
Two ways to prevent this process :
Painting, Greasing, Oiling, Galvanizing (any two)
Similar questions