Question

name an indicator which is extracted from the petals of the flower
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Answer 1

Explanation:

Hydrangea , Petunia , Geranium etc .

Answer 2

Answer:

The macerated methanolic petals extract of flowers used and it shows Faint blue to faint yellow appearance at end point. identified and determined Hibiscus rosa sinensis for its acid base indicator activity against phenolphthalein, methyl orange and phenol red as standard indicator. The macerated methanolic and aqueous petals extract of flowers used and it shows colorless to yellow for strong acid v/s strong base, weak acid v/s weak base and weak acid v/s strong base while it turns Pink to greenish yellow appearance at end.