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प्रश्न
What is the role of Sulphur in the vulcanization of rubber?
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उत्तर
Sulfur is used in vulcanization to produce cross-links between two polymer chains to produce more tensile strength, elasticity, and resistance to abrasion.
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संबंधित प्रश्न
How does the presence of double bonds in rubber molecules influence their structure and reactivity?
Discuss the main purpose of vulcanisation of rubber.
Identify the monomer in the following polymeric structures.
Write names and chemical formulae of monomers used in preparing Buna-N.
Write the formulae of the raw materials used for preparation of Buna-S
Complete the following statement by selecting the correct alternative from the choices given:
Natural rubber is a : _________
Vulcanisation makes rubber:
(i) more elastic
(ii) soluble in inorganic solvent
(iii) crystalline
(iv) more stiff
Ebonite is:-
In vulcanization of rubber:
Match List I with List II.
| List I | List II |
| (Monomer Unit) | (Polymer) |
| (a) Caprolactum | (i) Natural rubber |
| (b) 2-Chloro-1, 3-butadiene | (ii) Buna-N |
| (c) Isoprene | (iii) Nylon-6 |
| (d) Acrylonitrile | (iv) Neoprene |
Choose the correct answer from the options given below:
