Q5 of 18 Page 48

Thermoplastics are eco-friendly than thermosetting plastics. What do you say? Why?

Thermoplastics can undergo the process of cooling and heating again and again in order to change it to the desired shape however thermosetting plastics once formed cannot be changed to any other shape again. So indeed thermoplastics are eco-friendly as they are recyclable and can be reused again and again while thermosetting plastic once becomes trash has to be dumped or thrown away which leads to the pollution.


More from this chapter

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3

Classify following materials which can be, cannot be recycled.

Plastic toys, electrical switches, plastic chairs, ball point pens, plastic containers, cooker handles, plastic bottles, carry bags, tumblers, tooth brush, plastic chapels. plastic plates, plastic buckets

 4

If electric switches are made by thermoplastics what would happen?

 6

Explain following.

a) Blending b) Biodegradable c) Recycling d) Decomposition

 7

Match the following.