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BUNA – N can be vulcanised by __________

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BUNA – N can be vulcanised by __________

(a) Sulphur

(b) Oxygen

(c) Sulphur dioxide

(d) Sulphurous acid

The question was asked in an internship interview.

I want to ask this question from Synthetic Rubber topic in division High Polymers and Plastics of Applied Chemistry

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Correct choice is (a) Sulphur

Easy explanation: BUNA – N can be vulcanised by the sulphur. BU stands for the butadiene and NA stands for sodium and N stands for acrylonitrile.

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