Question

5. Give reasons for each of the following
(a) Electrical wires have plastic coating.
(d) Plastic articles are more popular than the ones made of metals.
(b) Cooking pans have handles made of plastics.
(c) Clothes made of synthetic fibres are not very comfortable to wear.​

Answer 1

Answer:

Electric wire have plastic coating

Plastic is bad conductor and a good insultor. when it wrapped around wires with an electric current flowing them,it prevents the electricity from getting out and shock our skin (a good conductor of electricity),so plastic is all for safety

plastic articles are more popular than the ones made of metals

plastic articles more popular than the ones made of metals because the articles of the plastic are Thin, Less cost and they are easier to use.

Answer 2

Answer:

a Anyone with wet hands especially small children do not touch the wires so they r covered with plastic and plastics can withstand excess electricity

b Because they do not get rusted , they r cheap and easy to maintain , they r light in weight and they protect the items the same way and much better way than metals

c While cooking to lift the vessel or to hold it while cooking it maybe hot tht is y handles r made up of plastic

d Clothes made of synthetic fibre have gone through chemical processes hence they are not comfortable to wear