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What do you observe when you add a few d...

What do you observe when you add a few drops of acetic acid to a test tube containing.
(a) phenolphthalein (b) distilled water (c) universal indicator (d) sodium hydrogen carbonate.

Text Solution

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Action of acetic acid on
(i) phenolphthalein `to` no change/remains colourless
(ii) distilled water `to` change, acetic acid dissolves in distilled water.
(iii) universal indicator `to` Turns orange
(iv) sodium hydrogen carbonate powder `to` evolution of colourless, odourless gas with brisk effervescence.
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