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Questions  >>  JEEMAIN and NEET  >>  Chemistry  >>  Polymers
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Q)

Step growth polymeristion is otherwise called

$\begin {array} {1 1} (a)\;\text{Addition polymerisation} & \quad (b)\;\text{Condensation polymerisation} \\ (c)\;\text{Free radical polymerisation} & \quad (d)\;\text{None of the above} \end {array}$

 

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A)
These are formed by the condensation of 2 or more bifunctional monomers with the elimination of simple molecules like water, ammonia, alcohol etc. In these reactions, the product of each step is again a bifunctional species & the sequence of condensation goes on.
Ans : (b)
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