Samacheer Kalvi Science Class 7 Polymer Chemistry Questions - 1

Question: 1

PET is the acronym for _____

(A) Polyetheneterylene

(B) Polyethylene terephthalate

(C) Polyester and terylene

(D) Polyester

Question: 2

A synthetic fibre which has similar properties to wool is _______

(A) Acrylic

(B) PVC

(C) Polyester

(D) Nylon

Question: 3

The first man-made fibre is ______

(A) Rayon

(B) Cotton

(C) Polyesters

(D) Nylon

Question: 4

_____ is non-biodegradable material.

(A) Wool

(B) Paper

(C) A plastic bottle

(D) Cotton cloth

Question: 5

When you place a natural fibre in a flame it ______

(A) Burns

(B) Melts

(C) Gets nothing

(D) Explodes

Question: 6

A good application of plastic is the use of _____

(A) Plastic carry bag

(B) Plastic straws

(C) Plastic cutlery

(D) Blood bags

Question: 7

Which of the following is the strongest?

(A) Acrylic

(B) Polyester

(C) Rayon

(D) Nylon