Question

1) a)

The type of polyethylene where the molecule has many branches and hence cannot crystallize well is HDPE. O True False

b)

c)

d)

Answer 1

Given that r Da). LDPE (low Density polyethylene) has Branches in nature. Therefore they cannot crystallise well when compared to ADPE (which ů linear chair polymer molecule). Angy false. 1) b) cross linked molecules cannot crystallize easily when compared to linear chair molecules because They are stats are having strong covalent balans Bond and insoluble in all solvents . t Anst True isd). pool balls are made from HOPE ( light weight] Ansi er e True De) The top that layer of Cooking ranges (where we place a vessel to heat Jin a kitchen a kitchen is generally made of a u glass-cerannic! because it has low thermal expansion Coefficient Ans » glass-ceramica