Cut a lemon on the self and leave it for some hours observe the stain or colour change describe a natural phenomenon showing similar observation
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Answer:
as we all know that a lemon is naturally a acidic natured fruit .the acid in it is called citric acid.the lemon stains afyer few time when cut is because of oxidisation process
Explanation:
most of the acids react with oxygen molecules to form oxides hence this process is called oxidisation
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