(A) Addition polymerisation is also known as step growth polymerisation.
(R) Addition polymers are always homopolymers.

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Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

(A) is true but (R) is false

answer is D.

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Detailed Solution

In condensation polymerization, since each step produces a distinct functionalized species and is independent of each other, this process is also called as step growth polymerization.
It is possible to form copolymers through addition polymerization, which consist of two or more different types of monomers.
For instance, Buna–N is obtained by the copolymerization of 1, 3 – buta–1, 3–diene
and acrylonitrile in the presence of a peroxide catalyst.

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