question_answer 131)

  Synthetic detergents have advantage over usual soaps as far as cleansing power is concerned. But use of synthetic detergents over a long time creates environmental pollution. How can the pollution caused by synthetic detergents be minimi sed ? Classify the detergents according to their chemical nature.

Answer:

                  Refer to sec. 16.4.2, page 16/19, 16.4.6, page 16/22 and sec. 16.4.4, pages 16/20-16/21.