Question:
Explain why some fibres are called synthetic.
Answer:
There are some fibres that are prepared by man by using chemicals. These are called synthetic fibres. These are made of
small units that join together to form long chains. Examples of synthetic fibres are rayon, nylon, polyester, acrylic, etc.
Q 1.
Categorize the materials of the following products into 'can be recycled' and 'cannot be recycled'.
Telephone instruments, plastic toys, cooker handles, carry bags, ball point pens, plastic bowls, plastic covering on electrical
wires, plastic chairs, electrical switches.