5 useful facts on Soaps are:
Soaps:
- Soaps are sodium salts of higher fatty acids.
- Soaps are prepared from natural oils and fats.
- 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.
- Soaps cannot be used in acidic medium as they are decomposed into carboxylic acids in acidic medium.
- Soaps are biodegradable.