. What do you observe when you drop a few drops of acetic acid to a test tube containing

 (i) phenolphthalein

(ii)  distilled water

(iii)  universal indicator

(iv)  sodium hydrogen carbonate powder


Best Answer

Ans.  Action of acetic acid on

(i) phenolphthalein -no change/remains colourless

(ii) distilled water- no change, acetic acid dissolves  in distilled  water.

(iii) universal indicator- Turns orange

(iv) sodium hydrogen carbonate powder evolution of colourless, odourless  gas with brisk effervescence.  


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