What are Detergents?

Question

$\begin{array}{1 1} \text{(a)The cleaning action of detergent is due to micelle formation and emulsion formation.} \\ \text{(b)Detergents is the sodium salt of a long chain Benzene Suplhonic acid which has cleansing properties in water.} \\ \text{(c)Detergents are cleaning agents that are usually made by reacting alkali with naturally occurring fat or fatty acids} \\ \text{(d)The mineral salts react with detergents to form an insoluble precipitate known as scum.}\end{array}$