Question

What color will you get when you add a few drops of universal indicator to test tubes containing distilled water?

Answer 1

colour of the universal indicator would be green as it is neither acidic or basic.

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

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.