Tag: polymer
Questions Related to polymer
What percentage of sulphur is used in the vulcanization of rubber?
Which of the following has cross-linked polymer?
In the process of vulcanization:
Which material is used for vulcanisation of rubber?
Strength of synthetic fibre is better during-
Which of the following type of forces are present in vulcanized rubber?
Which of the following is resistant to petrol, lubricating oils and organic solvents?
A : A mixture of raw rubber and sulphur on heating at $373:K$ - $415:K$ gives vulcanised rubber.
R : ZnO decreases the rate of vulcanisation of rubber.
Assertion (A) : The plants yield a milky suspension of crude rubber called latex.
Reason (R) : The latex contains about $85\%$ rubber.
Acetaldehyde can be used for making synthetic: