વધુ પડતું મોબાઈલનો ઉપયોગ કરવાથી અભ્યાસ બગડે છે. એ બાબતે સમજા વા માટે તમારા મિત્ર ને પત્ર લાખો
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Olfactory indicators are those indicators that help to identify whether the given solution is acidic or basic by changing their smell instead of colour as the other indicators do. Olfactory indicators are based on the sensation of smell to identify the nature of the substance.
Don't know how to read this language.. sorry :)
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