131. Addition of stabiliser during PVC manufacture is done to
132. Addition polymerisation is not involved in the manufacture of
133. Condensation polymerisation is not involved in the manufacture of
134. In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of
135. A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of
136. Polycondensation reaction of polymerisation
137. The only natural thermoplastic resin, which is a product of animal life is
138. Cation exchange resins used in water treatment is made from __________ resin.
139. Vulcanisation of rubber does not increase its
140. __________ is not a condensation polymer.
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