Question

Difference between soap and detergent
Preparation with soft water and hard water

Answer 1

Soap:#They are potassium salts of long chain carboxylic acid.

#soaps have lesser cleansing action or quality as compared to detergents.#soaps are biodegradable.

Detergents:#They are ammonium or sulphonate salts of long chain carboxylic acid.

#They have better cleansing action than soap.

#detergents are less biodegradable.