Question

Define all factory indicator. Name any two substance which can be used in all factory indicator . guys plz answer fast its urgent...

Answer 1

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An Olfactory indicator is an indicator whose smell change depending on whether it is mixed with an acidic or basic solution. 

Olfactory indicators can be used in the laboratory to test whether a solution is a base or an acid, a process called olfactory titration.

Ex. Onion , clove oil and vanilla.
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Answer 2

Answer:

olfactory indicators

Explanation:

substance which are mixed by acids or bases .

example = taking onion pieces keeping in two cloths and keeping in freeze then next day it will come smell . if we take out them and for cloth we should be add acids or base it won t come smell

this is called olfactory indicators