'Buna-N rubber' is a coploymer of butadiene and acrylonitrile. In comparison to natural rubber it:

is delicate and soft

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has better resistance to wear and tear

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is a poor substitute for natural rubber

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does not last for a long time

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Solution

The correct option is B has better resistance to wear and tear
Synthetic rubber is more resistant to acids, oils, heat, aging and has more strength than natural rubber.

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B u n a - N

, a synthetic rubber is copolymer of:

Q. Buna-N synthetic rubber is a copolymer of:

Q. Match the following:

(i) Caprolactam	(a) Neoprene
(ii) Acrylonitrile	(b) Buna N
(iii) 2-Chlorobuta-1,3-diene	(c) Nylon – 6
(iv) 2-Methylbuta-1,3-diene	(d) Natural rubber

Match the polymers given in Column I with their commercial names given in Column II.

$\begin{matrix} C o l u m n I & C o l u m n I I A . & P o l y e s t e r o f g l y c o l a n d p h t h a l i c a c i d & 1. & N o v o l a c B . & C o p o l y m e r o f 1, 3 - b u t a d i e n e a n d s t y r e n e & 2. & G l y p t a l C . & P h e n o l a n d f o r m a l d e h y d e r e s i n & 3. & B u n a - S D . & P o l y e s t e r o f g l y c o l a n d t e r e p h t h a l i c a c i d & 4. & B u n a - N E . & C o p o l y m e r o f 1, 3 - b u t a d i e n e a n d a c r y l o n i t r i l e & 5. & D a c r o n \end{matrix}$

Q. Buna – S is obtained when 1, 3, -butadiene adds to : -

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'Buna-N rubber' is a coploymer of butadiene and acrylonitrile. In comparison to natural rubber it:

The correct option is B has better resistance to wear and tearSynthetic rubber is more resistant to acids, oils, heat, aging and has more strength than natural rubber.

The correct option is B has better resistance to wear and tear
Synthetic rubber is more resistant to acids, oils, heat, aging and has more strength than natural rubber.