Copper substances when exposed to air gains a green coating due to the formation of:?

CuO
CuCO3 Cu(OH)2
CuSO4
Cu(NO3)2

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

When copper is exposed to air, it reacts with moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat. This green substance is basic copper carbonate (CuCO3. Cu (OH)2). The formation of this green coating on the surface of a copper object corrodes it.

5 views Answered 2022-09-01 13:21

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