visually challenged student, has to perform a lab test to detect the
bresence 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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2
(b) clove oil will be the answer
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Answer:
The student must use (b) clove oil because clove oil is an oratory that is smell influenced acid base indicator whereas the others are all colour changing indicators.
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