Which of the following is used in the vulcanization of rubber?
- A$S$
- B$SF_6$
- C$CF_4$
- D$Cl_2F_2$
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Similar Questions
Which of the following fibres are made of polyamides?
Medium
View SolutionMatch the following:
Column-$A$ Column-$B$ $a.$ Nylon-$6$ $I.$ Natural Rubber $b.$ Vulcanized Rubber $II.$ Cross Linked $c.$ cis-$1,4$-polyisoprene $III.$ Caprolactam $d.$ Polychloroprene $IV.$ Neoprene
Choose the correct answer from the options given below:
| Column-$A$ | Column-$B$ |
| $a.$ Nylon-$6$ | $I.$ Natural Rubber |
| $b.$ Vulcanized Rubber | $II.$ Cross Linked |
| $c.$ cis-$1,4$-polyisoprene | $III.$ Caprolactam |
| $d.$ Polychloroprene | $IV.$ Neoprene |
Choose the correct answer from the options given below:
If the number average molecular weight and weight average molecular weight of a polymer are $40000$ and $60000$ respectively, the polydispersity index of the polymer will be
Assertion : Bakelite is a thermosetting polymer.
Reason : Bakelite can be melted again and again without any change.
Reason : Bakelite can be melted again and again without any change.
MediumAIIMS 2015
View SolutionWhich of the following structures represents the Neoprene polymer?
Medium
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