A visually challenged student, has to perform a lab test to detect the
presence of acid in a given solution. The acid-base indicator preferred by
him will be :
(a) Blue litmus (b) Clove oil
(c) Red cabbage extract (d) Hibiscus extract
presence of acid in a given solution. The acid-base indicator preferred by
him will be :
(a) Blue litmus (b) Clove oil
(c) Red cabbage extract (d) Hibiscus extract
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ANSWER:
(b) clove oil.
Explanation:
(b) clove oil.In an acid-base titration or any reactions involving acid and base, use of an indicator is necessary because visually, the naked eye cannot detect any difference between an acid and a base.