Condensation polymerisation eliminates simple molecules such as:
AWater only
BOxygen gas
CNitrogen gas
DHelium gas
Answer & Solution
Correct answer: A. Water only
1. Bifunctional monomers join and lose a small molecule.
2. That is what distinguishes it from addition.
3. Water is one such molecule eliminated.
_Source: NCERT Class 12 Chemistry Part II, Chapter 15, Polymers._
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