Polymers

Chemistry
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Isoprene is:

A
-methyl--butadiene
B
-methyl--butadiene
C
-chloro--butadiene
D
-chloro--butadiene
Medium
AIIMS
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Assertion

Ebonite is highly vulcanised rubber.

Reason

Perlon is used in the manufacture of fibres.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
Hard
AIIMS
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Assertion

Neoprene can be further hardened by heating in presence of sulphur.

Reason

Neoprene contains allylic double bonds which help in introducing sulphur bridges between different polymer chains.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
Medium
AIIMS
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Which one of the following structures represents the neoprene polymer?

A
B
C
D
Medium
AIIMS
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