NEB Class 12 Questions: NEB 12 Model Questions 2080/2024


NEB Class 12 Routine 2080-2081: Class 12 Routine

Chemistry in the Service of Mankind | Class 12 Applied Chemistry

Chemistry In the Service of Mankind. Polymers, elastomers, fibers, Synthetic Polymers (Bakelite), Dyes, Drugs, insecticide, herbicide, fungicide etc.

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

Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry
Chemistry in the Service of Mankind | Class 12 Applied Chemistry

Read More:

Unit 19: Cement
Unit 20: Paper and Pulp
Unit 21: Nuclear Chemistry and Application of Radioactivity

Chemistry in the Service of Mankind PDF

Here, is the pdf of Chemistry in the service of Mankind for Class 12 Chemistry.

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Iswori Rimal is the author of iswori.com.np, a popular education platform in Nepal. Iswori helps students in their SEE, Class 11 and Class 12 studies with Complete Notes, important questions and other study materials.

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