Question

Why plastics are difficult to recycle?

(a) Because it is very hard material

(b) Because it is very adhesive in its nature

(c) Because of different types of polymer resins

(d) Because of different sizes of plastic

This question was addressed to me in examination.

My enquiry is from Solid Waste topic in chapter Environmental Pollution of Energy Management

Answer 1

Correct answer is (c) Because of different types of polymer resins

For explanation: Plastic are difficult to recycle because of the different types of polymer resins in their production. Since each type has a distinct chemical composition, different plastics cannot be recycled together.