Question

write on a paper with a tooth pick dipped in lemon juice. Dry the paper and press with hot iron The writing on the paper changes colour to dark brown. Why?
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Answer 1

Answer:

this happens due to the breaking carbon present in the juice

Explanation:

when the lime juice Ink either with iron or any other light source, it it breaks down the carbon present in juice and as we know the carbon is brown in colour. So ,it turns to dark brown

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