Chapter 18: Chemistry in the Service of Mankind
NEB Class 12 Chemistry Chapter 18 Chemistry in the Service of Mankind Notes, Exercise PDF from Applied Chemistry Section. Chemistry notes for Academic year 2081-2082 for NEB 12th Chemistry.
Chemistry in the Service of Mankind Syllabus
- 18. Chemistry in the Service of Mankind
- 18.1 Explain addition and condensation polymers.
- 18.2 Explain elastomers and fibers.
- 18.3 Describe natural and synthetic polymers.
- 18.4 Explain some synthetic polymers (polythene, PVC, Teflon, polystyrene, nylon and Bakelite).
- 18.5 Explain types of dyes on the basis of structure and method of application.
- 18.6 Describe characteristics of drugs.
- 18.7 Differentiate natural and synthetic drugs.
- 18.8 Classify some common drugs.
- 18.9 Be aware of adverse effect of drug addiction.
- 18.10 Explain insecticides, herbicides and fungicides
Unit 18: Chemistry in the Service of Mankind Notes:
Polymers :
Addition and condensation polymers ; Elastomers and fibres ; Natural and synthetic polymers ; Some synthetic polymers (polythene, PVC, Teflon, polystyrene, nylon and Bakelite ;
Dyes :
Introduction; Types of dyes on the basis of structure and method of application;
Drugs :
Characteristics of drugs; Natural and synthetic drugs ; Classification of some common drugs; Habit forming drugs and drug addiction ;
Pesticides :
Introduction to insecticides, herbicides and fungicides
