Question

if you test soap's solution with red litmus paper, then what change you will see in the litmus paper ?

Answer 1

The colour of litmus paper change from red to blue. As soap solution is Basic in nature.......

Answer 2

Litmus Paper can be used to test pH blue litmus Paper change into red by acidic conditions, while blue change into red by alkaline conditions. since soap are basivc in nature it turn red into blue while blue litmus change into blue