Chemistry, asked by adi358, 1 year ago

Why the shine of copper vessel fades with regular use and when it is rubbed with lemon, it get its shine back....

Answers

Answered by chathuryasmily
1
as we use for long time it gets rust little
lemon is acid when copper reacts with acid it melts because of lemon it loses its outer layer and rust too

adi358: kisse react krne se shine fade ho jata h
chathuryasmily: it because of reaction with water and air
chathuryasmily: it forms a green layer called rust
Answered by Anonymous
4
shine of copper vessel get faded after regular use that is a greenish black colour layer is formed on it as due to chemical reaction the copper gets oxidized and then it turns into copper oxide
but when washed with lemon or tarmarind it regain its shine due to the acid present in them
hope this helps u
plzz mark me as brainliest

Anonymous: wo oxygen and air k sath react karta h
Anonymous: and copper oxide form hota h
Anonymous: tqq so.much for marking it as brainliest
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