Passage 1
Synthetic detergents are cleansing agents which have all the propeties of soaps but they actually do no contain any soap. These can be used in both hard as well as soft water as they give foam even in hard water. All the detergents are not biodegadable and hence cause water pollution in rivers and other water ways.
3. Which of the following enhances lathering property of soap ?
A. Sodium rosinate
B. Sodium carbonate
C. Sodium stearate
D. Trisodium phosphate