Which of the following rubber do not respond to trichloroacetic acid?

1.	Which of the following rubber do not respond to trichloroacetic acid?
A.	isomerized rubber
B.	chlorinated rubber
C.	polysulphide rubber
D.	butyl rubber
Answer» C. polysulphide rubber

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Which of the following rubber do not respond to trichloroacetic acid?

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