Free Printable Synthetic Fibres and Plastics

1.

1. The table lists characteristics of some fibres

P: It is obtained from chemical treatment of wood pulp. It is also known as man-made fibre.

Q: It is made of plant and made from large no. of cellulose unit. It is a plant fibre.

Based on the table, which option correctly lists the name of these fibres?

a)

(a) P-rayon, Q- nylon

b)

(b) P-nylon, Q- rayon

c)

(c) P- rayon, Q- cotton

d)

(d) P- cotton, Q- rayon

2.

Seema has red curtains in her house that are soft and looked like silk. Her mother tell her that it is a synthetic material called rayon rather than silk. In which category can the material of the curtain be classified into?

a)

(a) natural fibre, man-made

b)

(b) synthetic fibre, plant based

c)

(c) synthetic fibre, man-made

d)

(d) natural fibre, plant based

3.

Neena noticed that the label on her sweater read that it was made of acrylic, a synthetic fibre. Neena felt that acrylic resembled wool. Which characteristics did acrylic has that makes it to use in place of wool?

a)

(a) It is warmer than wool.

b)

(b)It is available in more colours than wool.

c)

(c) It is less shiny that wool.

d)

(d)It is cheaper than wool.

4.

Ram wears a shirt that does not get wrinkled easily. It remains crisp and is easy to wash while Shyam wears a shirt that gets wrinkled very soon. Which fibre is probably used in Ram’s shirt?

a)

(a) polyester

b)

(b) cotton

c)

(c) wool

d)

(d) acrylic

5.

Shikhar puts some hot water in an empty plastic bottle and in a plastic bowl used in the kitchen. He observes that the bottle gets deformed while the plastic bowl remains the same. Based on the observation, what can be said about the bottle or the bowl?

a)

(a) Both plastic bowl and plastic bottle are thermoplastic.

b)

(b) Both plastic bowl and plastic bottle are thermosetting plastic

c)

(c) Plastic bowl is a thermoplastic while plastic bottle is a thermosetting plastic.

d)

(d) Plastic bowl is a thermosetting plastic while plastic bottle is a thermoplastic.

6.

The image shows some products that are made up of different type of plastics

Which products are correctly matched with the type of plastic?

a)

(a) Q and R- thermosetting plastic

b)

(b) P and Q- Thermosetting plastic

c)

(c) R and S- Thermoplastic

d)

(d) S and P- Thermoplastic

7.

The uniform of firemen are made up of synthetic fibres and have coating of melamine plastic. What is the likely characteristic that melamine plastic has that makes it ideal to make uniform for firemen?

a)

(a) It is a poor conductor of heat.

b)

(b)It is a good conductor of heat.

c)

(c) It absorbs all the heat.

d)

(d)It reflects all the heat.

8.

In chemical laboratories, many salts like ammonium nitrate are stored in plastic containers instead of metals. What can be a likely reason for the same?

a)

(a) Plastic does not react with other substances.

b)

(b) Plastic is less expensive than metal.

c)

(c) Plastic is easier to handle than metal.

d)

(d) Plastic gets rusted in the presence of air.

9.

Which option correctly differentiates the biodegradable material from nonbiodegradable material?

a)

A

b)

B

c)

C

d)

D

10.

Government has banned use of plastic carry bags. Shopkeepers and malls are advised to promote the use of reusable paper and cloth bags. What is a likely reason for the ban of plastic?

a)

plastic? (a) They burn slowly and release poisonous fumes into the environment.

b)

(b) They get completely burnt and removed from the environment.

c)

(c) They get degrade naturally in the soil to release harmful substances.

d)

(d) They require a large number of bacteria for their degradation.

Synthetic Fibres and Plastics

Total questions: 10

Worksheet time: 10mins

Similar Resources on Wayground