Question

9. Find out the composition and uses of commonly used plastics such as PVC
PET. thermocol, Bakelite and melamine.
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Answer 1

Explanation:

Bakelite -

it is a non cunductur of heat and electricity. it is used to make cabinate of televisions, handal of untensil switchs, plugs.

Melamine-

it is non coducter of heat that's why it works to make tiles, utensil, dresses .

Boths are examples of thermosetting plastic.

pvc-

PVC.is type of thermoplastics . it is use to make polythins. because thermoplastics melts when heating.