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.
Answer the following questions :
1. Which of the following are anionic detergents ?
A. Quarternary ammonium salt of amine and acetate
B. Sodium salts of sulphonated long chain hydrocarbons
C. Lauryl alcohol ethoxylate
D. Polythylene glycol stearate