Question

What do u observe when y drop a few drops of acetic acid to a test tube containing phenolphthalein?

Answer 1

What do you observe when you drop a few drops of acetic acid. i) Acetic acid will remain colourless in phenolphthalein. ... iii) Universal indicator gives orange colour with acetic acid. iv) Sodium hydrogen carbonate will give brisk effervescence due to the formation of CO2 gas.

Answer 2

Answer:

When we add few drops of acetic acid to a test tube containing are as :

a ) . Phenolphthalein : Acetic acid will remain colourless in phenolphthalein

Additional information :

b ) . Distilled water : Acetic acid will dissolve in distilled water forming a clear solution

c ) . Universal indicator : It will give orange colour with acetic acid.

d ) . Sodium hydrogen carbonate : It will give brisk effervescence due to the

formation of CO₂ gas.