Question

Q1. Fill in the blanks:

a) ____________ is widely used for ropes and parachutes

b) ____________ fabric is also known as orlon.

c) _____________ is used for making surgical dressings.

d) ____________is used as substitute for wool.

e) Rayon is also called as ___________.

f) A blend of terylene and wool_____________.

g) Fibres (natural and synthetic) can be identified by _____________.

h) ______________ a special type of plastic used in non-stick cooking utensils.

Q2. Answer the following

i. Name the synthetic fibre used for making swimsuits and skating costumes.

ii. Write the full form of a) PET b)PVC

iii. Why handles of cooking utensils, electric iron and covers of metal wires are made of plastics?

iv. Give an example of a thermosetting plastic.

v. Write the monomer and polymer of

a) Acrylic b) Nylon c) Polyester

Answer 1

Answer:

a) nylon

b) acrylic fabric

c) cotton

d) acrylic

e) artificial silk

f) terry wool

g)

Explanation:

Answer 2

Answer:

Q1. a) Nylon fiber

b) Acrylic

c) Rayon

d) Acrylic

e) Manufactured regenerated cellulose fiber(Viscose)

f) Polywool

g)Nylon

h)