Question

a forgetful scientists took three equal samples of water and added 2ml of soap solution to each of them he measured the height of the lather formed in each case his result were 2cm 3cm and 4cm fill in his correctly in the table given which sample was the hardest which is the softest

Answer 1

The sample in which 4cm lather is formed is the softest.

And the sample in which 2cm lather is formed is the hardest.

The sample with 3cm lather is in between.