What do you observe when you add a few drops of acetic acid to a test-tube containing : (i) phenolphthalein (ii) distilled water
What do you observe when you add a few drops of acetic acid to a test-tube containing :
(i) phenolphthalein
(ii) distilled water
(iii) universal indicator
(iv) Sodium hydrogen carbonate powder
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(i) No change/remains colourless
(ii) No change
(iii) Turns pink/orange
(iv) Evolution of colourless gas
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