Which one of the following statements is not true?
- A$Buna-S$ is a copolymer of butadiene and styrene.
- BNatural rubber is a $1,4$-polymer of isoprene.
- CIn vulcanization,the formation of sulphur bridges between different chains makes rubber harder and stronger.
- DNatural rubber has the $trans$-configuration at every double bond.
Explore More
Similar Questions
Which polymer is used in the manufacture of paints and lacquers?
DifficultJEE MAIN 2015
View Solution$PVC$ is used for $......$
Easy
View SolutionAt what temperature does natural rubber become brittle?
Easy
View SolutionThe monomers of $\text{nylon-}2\text{-nylon-}6$ are:
Match the following:
List-$I$ (Polymer) List-$II$ (Used in Making) $A$. Urea-formaldehyde resin $I$. Safety Helmets $B$. Glyptal $II$. Gaskets $C$. Bakelite $III$. Laminated sheets $D$. Nylon-$6,6$ $IV$. Commercial fibres $E$. Phenol-formaldehyde $V$. Paints
Correct answer is:
| List-$I$ (Polymer) | List-$II$ (Used in Making) |
|---|---|
| $A$. Urea-formaldehyde resin | $I$. Safety Helmets |
| $B$. Glyptal | $II$. Gaskets |
| $C$. Bakelite | $III$. Laminated sheets |
| $D$. Nylon-$6,6$ | $IV$. Commercial fibres |
| $E$. Phenol-formaldehyde | $V$. Paints |
Correct answer is:
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo