How does paan-chewing produce red colour in our mouth?
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Solution

Dear Student ,

We chew the betel leaf along with many ingredients like small bits of betel nut, lime and catechu (katha). ... When a coat of katha is applied above the lime layer, a chemical reaction takes place which makes the colour of katha redder. When we chew paan, the mouth also plays a role.

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How does paan-chewing produce red colour in our mouth? ?

How does paan-chewing produce red colour in our mouth?
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