POLYMERS

Question 1

polymer

Answer 1

a polymer is a macromolecule formed by joining of small molecules

Question 2

eg for natural polymer

Answer 2

starch and cellulose

Question 3

starch and cellulose

Answer 3

monomer is glucose

Question 4

addition polymerisation

Answer 4

double bonds break in molecules and then they add on eachother

Question 5

monomer

Answer 5

the small molecules that join together to from a polymer

Question 6

properties of plastic

Answer 6

insulator,unreactive,dont break,strong,catch fire easily

Question 7

polyethene

Answer 7

plastic bags , dustbin

Question 8

PVC

Answer 8

Water pipe and hose,

Question 9

Polypropene

Answer 9

ropes and crates

Question 10

polysteryne

Answer 10

packaging and insulation of roof and walls

Question 11

teflon

Answer 11

coated on fry pan to them non stick,windscreen pipers and walsl

Question 12

nylon

Answer 12

ropes,fishing nets and tents

Question 13

terylene

Answer 13

clothing and thread

Question 14

disadvantage of plastic

Answer 14

fill upp landfills,recycling is expensive and takes thousand years to decay

Question 15

methods to reduce pollution from fake polymers

Answer 15

recycling,using it as energy source,using biodegredable plastic