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Which one of the following can be used as an acid-base indicator by a visually impared (blind) student ? (a) Litmus (b) Turmeric (c) Vanilla essence (d) Petunia leaves

Which one of the following can be used as an acid-base indicator by a visually impared (blind) student ?
(a) Litmus
(b) Turmeric
(c) Vanilla essence
(d) Petunia leaves

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
11 months ago
Answer: c

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