alleryWhich one of the following can be used as an acid-base indicator by a visually impaired student?
ALitmus
BTurmeric
CPetunia leaves
DVanilla essence
Answer & Solution
Correct answer: D. Vanilla essence
This Acids, Bases and Salts item tests a core Chemistry concept.
Correct answer: Vanilla essence.
_Source: syllabus Exemplar Science Class 10_
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