Synthetic fibres and Plastics

See the figure given below and select the correct statements regarding polymers.

1. Figure (X) shows structure of a monomer while figure (Y) shows structure of a polymer.

2. Small boxes in the structure represent monomers that are joined to give a polymer.

3. Figure (X) shows structure of a linear polymer while (Y) shows structure of a cross-linked polymer.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• All are correct.

Read the given statements and mark the appropriate answer.

Statement 1: Fabric made from this polyester does not get wrinkled easily.

Statement 2: Polyester is a natural fibre.

• Both statements 1 and 2 are true and

  statement 2 is the correct explanation

  of statement 1.

• Both statements 1 and 2 are true

  but statement 2 is not the correct

  explanation of statement 1.

• Both statements 1 and 2 are false.

• Statement 1 is true and statement 2

  is false.

Atul was climbing mountain and he wondered about the strength of rope in his hand which was stronger than a steel wire. This rope would have been made up of:

• Polyester

• Nylon

• Rayon

• Cotton

Nylon is obtained by

• Treatment of wood pulp.

• Mixing coal, air and water.

• Solidifying water.

• Mixing acids and bases.

Which of the following is not a blended fibre?

• Terrycot

• Terrylene

• Polycotton

• Terywool

The first synthetic fibre formed from a natural material wood pulp is

• acrylic

• rayon

• nylon

• polyester

A fibre which is as soft as wool is

• rayon

• nylon

• polyester

• acrylic

Necklace : bead :: polymer : ________.

• Monomer

• Dimer

• Tetramer

• Trimer

Tags

NGSS.MS-PS1-1

Main source of raw material for producing synthetic fibre is :

• CNG

• LPG

• Refined oil.

• Petroleum

Which one of the following can be semi-synthetic fibre?

• Nylong

• Rayon

• Acrylic

• PET