Question

when we drop a few drops pf acetic acid to a test tube containing phenolphthalien​

Answer 1

Answer:

the phenolphthalien colour will be changed into colourless as it is in acidic medium

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.