What is the difference between the chemical composition of soaps and detergents? State in brief the action of soaps in removing an oily spot from a shirt. Why soaps are not considered suitable for washing where water is hard?
OR
List in tabular form three physical and two chemical properties on the basis of which ethanol and ethanoic acid can be differentiated.
Which of the following statements are correct? (a) Cationic detergents have germicidal properties (b) Bacteria can degrade the detergents containing highly branched chains (c) Some synthetic detergents can give foam even in ice cold water (d) Synthetic detergents are not soaps