1.

Three dimensional molecules with cross links are formed in the case of a

Answer»

thermoplastic
thermosetting plastic
both (a) and (b)
NONE of the above

Solution :Thermosetting plastics consist of chain molecules which are chemically bonded, or cross-linked, with each other when HEATED. When thermosetting plastics crosslink, the molecules create a permanent, 3-D network that can be CONSIDERED ONE giant molecule.


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