Give the Advantages of synthetic detergents over soaps

Question

$\begin{array}{1 1} \text{(a)Detergents can not be used with saline water whereas soaps can be used.} \\ \text{(b)Detergent cleans more effectively in hard water than soap.} \\ \text{(c)Detergent are insoluble in water than soaps.} \\ \text{(d) Detergents can not be used for washing woolen garments whereas soaps can be used.}\end{array}$