Procedure to identify when three different
Liquid namely dilute acid, distilled water and alkaline solution are poured into three unablled bottle
First is an identification of pH solution using acid-base indicator. In acid solution it becomes red, in alkaline solution it turns deep blue and in distilled water there is no change.
Second method is identification of their pH using pH-meter. In acidic solution pH is less than 7, in distilled water pH is 7 and in alkaline solution pH is more than 7.
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