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Polymers

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Q.

Identity (X):

Q.

Mass-average molecular mass of a polymer is determined by:

Q.

The formation of polyethylene from calcium carbide takes place as follows:

The amount of polyethylene obtained from 64kg of 

Q.

Which of the following polymers can be used for lubrication and as an insulator?

Q. GRA is a copolymer of?

Butadiene and acrylonitrile

Q. Saran is a copolymer of?

Vinylidene cnloride (1,1-dichroethene) and vinyl chloride

Q. Which polymers can be used for lubrication and as an insulator?

Polytetrafluoroethylene (PTFE).

Q. Polymer used in bullet-proof glass is?

Lexan

Q. What is SBR?

Styrene-butadiene or styrene-butadiene rubber describe families of synthetic rubbers derived from styrene and butadiene. These materials have good abrasion resistance and good aging stability when protected by additives.