Detergents are salts of -
strong acid and strong base
Detergents are the cleaning agents that are effectively removed dirt and stains.
Detergent is made up of sulphonate salts of long-chain carboxylic acid.
Detergents are usually made up of strong acids and strong bases and overall detergents are neutral in nature.
Therefore, detergents are salts of strong acid and strong base.
Hence, the correct option is A