Question

Ansi
C.
C1. State wb
AN
What is polymerization? Give an example of a natural polymer. 43-
Name the synthetic fibres which resemble silk and wool. Buona
4. What is meant by tensile strength H
3. Give two uses of each of the following: rayon, nylon, bakelite 42 Thay u woo
y tensile strength? How is this property utilized in certain applications:
Answer in One Worlor a Few words begauit can
SAOB
1. Plastics are biodegradable.
ate whether the following statements are True (T) or False (F).
2 Thermosets cannot be remoulded
2 Plastic is indispensable but its use should be minimized.
Acrylic fibres are a substitute for natural wool.
Clothes made of pure synthetic fibres are lustrous and shiny.
2. Fill in the blanks.
7 Nylon is used to make parachutes because it has high
2. Synthetic fibres do not absorb
and are
in nature.
3. Terrywool is a blend of
- and
If plastic waste is buried in the soil, it remains there for a –
time and does not
allow -
to seep through the ground.
5. Plastics are
and
of heat and electricity.
Match items in Column A with one or more items in Column B.
Column A
Column B
1. Natural fibre
(i) Nylon
2. Mouldable material
(ii) Plastics
3. High tensile strength
(iii) Thermoplast
Artificial silk
(iv) Cotton
Fire-resistant material
(v) Bakelite
Used for making electrical switches (vi) Acrylic​

Answer 1

Answer:

plzzzzzzzzzz follow me...

Answer 2

Answer:

Hii

Explanation:

1. plastic are non biodegradable

so ,answer is False

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