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Vulcacnised rubber resists:...

Vulcacnised rubber resists:

A

Wear and tear due ot friction

B

Cryogenic temperature

C

High Temperature

D

Action of acids

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The correct Answer is:
A, D
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Natural rubber or raw rubber consists of basic material latex which is a dispersion of isoprene .During the treatement this isoprene forms a high molecular wiehg polymer of isoprene. Natural rubber can be obtained from five hundred different species of plants. Consider the following properties of rubber , (i) Tensils strength of vulcanised rubber is almost ten times more than raw rubber . (ii) Elasticity of raw rubber is very high . Choose the correct option .

Rubber is a:

Rubber is

introduction to polymers || addition polymers || natural rubber and vulcanised rubber || homopolymer and copolymers

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