6A piece of polypropylene rope (used for water skiing)

Last updated: 7/10/2022

6A piece of polypropylene rope (used for water skiing) floats on water, whereas a terephthalate polymer from a soda bottle sinks in water. What is the order of these substances in increasing density ? water < polypropylene < soda bottle plastic polypropylene < water < soda bottle plastic polypropylene < soda bottle plastic < water soda bottle plastic < water < polypropylene