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RK Gupta
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Poll
Asked: 2021-12-06T09:57:22+00:00 In:

Which of the following can be used as an acid base indicator by a visually impaired student?

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Poll Results

25%[A] Litmus ( 1 voter )
0%[B] turmeric
75%[C] vanilla essence ( 3 voters )
0%[D] Petunia leaves
Based On 4 Votes

Participate in Poll, Choose Your Answer.

Vanilla essence can be used as an acid base indicator by visually impaired students as it is an olfactory indicator whose smell changes in acidic or basic media.

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    1 Answer

    1. [C] vanilla essence

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