Answer true or false.
(a) Ethylene contains one carbon–carbon double bond, and polyethylene contains many carbon– carbon double bonds.
(b) All C-C-C bond angles in both LDPE and HDPE are approximately 120°.
(c) Low-density polyethylene (LDPE) is a highly branched polymer.
(d) High-density polyethylene (HDPE) consists of carbon chains with little branching.
(e) The density of polyethylene polymers is directly related to the degree of chain branching; the greater the branching, the lower the density of the polymer.
(f) PS and PVC are currently recycled.
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