| Q.13 | Which of the following statements about detergents is INCORRECT? | |
| Ans | A. Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons. | |
| B. Liquid dishwashing detergents are non-ionic type of detergent. | ||
| C. Cationic detergents are quaternary ammonium salts of amines. | ||
| D. Cationic detergents are mostly used for household work. |
Correct Ans Provided: D