a) Polypropylene
b) High Density Polyethlene
c) Polystyrene
d) Polyvinyl chloride
Answer: d
Explanation: Amongst the given, PVC (Polyvinyl Chloride) has the greatest density. Density of Polypropylene is 0.946 g/cm3. Density of High Density Polyethlene is 0.970 g/cm3. Density of polystyrene ranges from 0.96 – 1.04 g/cm3. Density of Polyvinyl chloride ranges from 1.3 – 1.45 g/cm3.
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