5 useful facts on Soaps are:

Soaps:

  1. Soaps are sodium salts of higher fatty acids.
  2. Soaps are prepared from natural oils and fats.
  3. Soaps from insoluble salts (curdy white ppt.) with calcium and magnesium which are present in hard water and hence, cannot be used in hard water.
  4. Soaps cannot be used in acidic medium as they are decomposed into carboxylic acids in acidic medium.
  5. Soaps are biodegradable.