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.
4. Which of the following are not-ionic detergents ?
A. Lauryl alcohol ethoxylate
B. Polyethylene glycol stearate
C. Penta erythritol mono stearate
D. Trimethyl steary ammonium bromide
