IIT JEE , AIEEE Forum - Articles Category , Community shelf - CHEMISTRY IN EVERYDAY LIFE AND POLYMERS- IMP QUESTIONS!!

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POLYMERS

1. name the monomers of the following polymers:

· polythene

· polystyrene

· polyvinyl chloride

· natural rubber

· neoprene

· polypropylene

· glyptal

· bakelite

· urea-formaldeyde resin

· Teflon

· Nylon-6,6

· Nylon6

· Terylene/decron

· Melamine

· Nylon-2

· PHBV

· Buna ?N

· Buna-S

· polyacronitrile

2. Differentiate b/w

· Thermosetting and thermoplastic

· Elastomers and fibres

· Addition polymers and condensation polymers

· Homopolymers and copolymers

· Natural polymers and synthetic polymers

· Linear, branched, cross linked polymers

· Natural and vulcanized rubber

3.How does vulcanization improve the property of natural rubber?

4.Write the free radical mechanism for polymerization of ethane?

5.Write the preparation of low density polythene.

6.Write the preparation of high density polythene.

7.write the preparation of Teflon

8.Write the preparation of polyacronitrile.

9.write the preparation of nylon-6,6

10.write the preparation of nylon-6

11.write the preparation of bakelite

12.write the preparation of melamine

13.write the preparation of neoprene

14.write the preparation of Buna N

15.What are biodegradable polymers? Give example.

CHEMISTRY IN EVRYDAY LIFE

name the substance which can be used in depression and hypertension
name the macromolecules chosen as drug targets
which forces are involved in holding the drugs and enzymes
Why are cimetidine and ranitidine better than magnesium hydroxide?
Why is the use of aspartame limited to cold drinks and foods?
What are biodegradable and non biodegradable detergents? Give examples.
explain the cleansing action of soap
What is tincture of iodine? Give its use.
What problem arises using alitame as artificial sweetener?
Name two places in India where penicillin is manufactured?
What type of drug is chloramphenicol?
Sulpha drugs work like antibiotics but are not antibiotics. Explain.
Name the types of antibiotics with two examples each.
Low level of noradrenalin is the cause of depression. What type of drugs is needed for curing this and how do they work.
Why use of aspirin as an antipyretic is not advised by a doctor?
What is the IUPAC name of aspirin?
What are the components of medicated soaps?
Bithional is added to antiseptic soaps? Why?

BUT DON?T FORGET TO DO NCERT QUESTIONS TOO.