Cellulose is made up of large number of _______ units.

• sucrose

• glucose

• amino acids

• dacron

Tags

NGSS.HS-LS1-6

Mention the type of polymer.

• linear

• natural

• cross linked

• synthetic

• rayon

• nylon

• polyester

• acrylic

Tags

NGSS.MS-PS1-3

Tags

NGSS.MS-PS1-3

The synthetic fibre best suited to make this is ______ and is due to its _____property.

• Polyester, Elasticity

• Nylon,Elasticity

• Polyester, High tensile strength

• Nylon, High tensile strength

Which of the following plastics objects can be recycled?

i). Electric socket ii). Polythene bag iii).PVC pipe iv). Ashtray

• A and B

• B and C

• A and D

• C and D

Synthetic fibres are made from raw materials called _____

Tags

NGSS.MS-PS1-3

Which of the following is a thermosetting plastic?

• Formica

• Polyester

• PVC

• Thermocol

Out of the following materials ::

a. Which materials are polyesters? b. Which material is a polyamide?

• cotton, nylon

• terylene, wool

• cotton,wool

• terylene, nylon

Tags

NGSS.MS-PS1-3

PET is a kind of _____.

Tags

NGSS.MS-PS1-3