1. H-Bonding is the type of cross linking found in biological polymers such as D

Question

1. H-Bonding is the type of cross linking found in biological polymers such as DNA

2. With partial covalent cross linking (e.g. adding sulfur to natural rubber) a polymer will become rubbery and tough

3. Polymer chains that are cross linked with only London dispersion forces will be liquids at room temperature

4. Covalent cross linking converts a thermoplastic polymer into a thermoset one

5. Heavy cross linking causes a polymer to become stiff, like an epoxy resin or cured silicone

Please help. Urgentttt

Explanation / Answer

3. Polymer chains that are cross linked with only London dispersion forces will be liquids at room temperature

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