Which of the following are characteristics of thermosetting polymers?

(A) Heavily branched cross linked polymers.

(B) Linear slightly branched long chain molecules

(C) Become infusible on moulding so cannot be reused.

(D) Soften on heating and hardened on cooling, can be reused.

3 Views|Posted 8 months ago

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Payal Gupta | Contributor-Level 10

8 months ago

This is a multiple choice answer as classified in NCERT Exemplar

Option (A) and (C)

Explanation: Thermosetting polymers are cross linked polymers. These polymers on heating undergo cross linking in moulds. They become infusible on heating so cannot be reused again.

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Which of the following are characteristics of thermosetting polymers? (A) Heavily branched cross linked polymers. (B) Linear slightly branched long chain molecules (C) Become infusible on moulding so cannot be reused. (D) Soften on heating and hardened on cooling, can be reused.

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