Question

difference between soap and detergent ​

Answer 1

Soap is a substance used with water for washing and cleaning, made of a compound of natural oils or fats with sodium hydroxide or another strong alkali, and typically having perfume and colouring added.

Whereas, detergent is a water-soluble cleansing agent which combines with impurities and dirt to make them more soluble, and differs from soap in not forming a scum with the salts in hard water.

Answer 2

soaps can not work in hard water while detergents can work in hard water as they forms the salt