1) Which among the following polymer does not show cross linking in it? A) Nylon-6 B) Bakelite C) Melamine D) Vulcanised Rubber Answer: Option AExplanation:Nylon-6 polymer does not show cross linking in it. It is a linear polymer. It is obtained by heating caprolactum with water at a high temperature . Structural formula and name of given polymer is shown below :