Soru
Q.36. Which match given below is wrong for Shibata color reaction? A Flavone - green & }(l) B Flavonol-Cherry red & C Flavonone - Purple & D Antocyanin -red Q.37. Which one of the following plant is used to prepare Official tannin? A Astragalus spec. & B Quercus infectoria & }(l) C Hamamalis virginiana & D Acacia catechu
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Q.36. The correct answer is C. Flavonone - Purple. In the Shibata color reaction, flavonones typically produce a yellow color, not purple.Q.37. The correct answer is D. Acacia catechu. Officinal tannin is prepared from the bark of Acacia catechu.