Question

1. What are biodegradable materials? Give two examples.

2. Illustrate with a simple diagram, a linear polymer and a cross-linked polymer.

3. How does a thermoplastic material differ from a thermosetting material? Give one

example each of thermoplastic and thermosetting materials.

4. Mention two advantages and two disadvantages of synthetic fibres.

5. Explain why the following are made of thermosetting plastics

a. Pressure cooker handle.

b. Electric plugs / switches​

Answer 1

☺️ Heya mate ☺️

1. A biodegradable material can be defined as a material which can be decomposed by a bacteria or other natural organisms ...

Examples - Wood, paper