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MODEL PAPER 3 — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 31 Mark
Question
Cheilosis is caused by deficiency of
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Answer

Deficiency of Vitamin $B_2\ ($Riboflavin$)$ results in Cheilosis $($fissuring at corners of mouth and lips$).$

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