Question

explain by the help of an activity that Onion is an acid base indicator​

Answer 1

1)Onion has a characteristic smell.When a basic solution like sodium hydroxide solution is added to a cloth strip treated with onion extract then the onion smell cannot be detected.An acidic solution like hydrochloric acid does not destroy the smell of onions.This can be used as a test for acids and bases.

2)Vanilla extract has a characteristic pleasant smell.If a basic solution like sodium hydroxide solution is added to vanilla extract,then we cannot detect the characteristic smell of vanilla extract.An acidic solution like hydrochloric acid does not destroy the smell of vanilla extract.This can be used as test for acids and bases.

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Answer 2

Explanation:

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