Chemistry Acids, Bases and Salts CBSE Board 2026 Easy
Which one of the following can be used as an acid-base indicator by a visually impaired (blind) student?
Which one of the following can be used as an acid-base indicator by a visually impaired (blind) student ?
- (a)Turmeric
- (b)Vanilla essence
- (c)Methyl orange
- (d)Litmus
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