Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene.

1.

Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene.

[A].	nitrile
[B].	silicone
[C].	neoprene
[D].	butyl

Answer: Option D

Explanation:

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