Question:
Give examples which indicate that nylon fibres are very strong.
Answer:
Nylon fibres are very strong. It is used for making ropes used for climbing rocks and
for making parachutes. Their usage shows that nylon fibres have high tensile strength.
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.