C2 Chemistry - polymers and nanotechnology

Question 1

what are polymers?

Answer 1

v large molecules made when smaller molecules join together

Question 2

what are the small molecules called?

Answer 2

monomers

Question 3

why can alkanes act as monomers?

Answer 3

they have a double bond

Question 4

what is polyethene used for?

Answer 4

plastic bags and bottles

Question 5

what is polyproene used for?

Answer 5

crates and ropes

Question 6

whats is polychlorothene used for?

Answer 6

water pipes and insulation on electricity cables

Question 7

how is polyethene made?

Answer 7

when ethene polymisers

Question 8

what is nanotechnology?

Answer 8

the use and control of tiny matter

Question 9

what is the tiny matter referred as?

Answer 9

nanoparticles

Question 10

what are nanoparticles measured in?

Answer 10

nanometres

Question 11

what do we use nanoparticles for? 3

Answer 11

sports wear
clothing
healthcare

Question 12

how are nanoparticles used in sports wear? examples

Answer 12

they are added to materials to make them stronger
tennis rackets
golf clubs and shoes

Question 13

how are nanoparticles used in healthcare?

Answer 13

used in sunscreens

offer protections and make no white mark

Question 14

how could nanoparticles be harmful to us?

Answer 14

they could be able to enter the brain from bloodstream and cause damage