78. The term microplastics was in news recently owing to rising levels of marine pollution.Which of the following statements is true with respect to the same?
i) They are plastic pieces measuring less than 5 mm.
ii) They are found in cosmetics, tooth pastes and table salt.
iii) They are so small that a person can barely feel them.
Options:
Microbeads are plastic pieces or fibre measuring less than 5 mm. They are used in personal care products and are made of polyethylene PE., but can also be made of polypropylene PP., polyethylene terephthalate PET., polymethyl methacrylate PMMA. and nylon.
They are widely used in cosmetics as exfoliating agents and in personal care products such as toothpaste, as well as in biomedical research. Research studies have also shown its presence in table salt.
They are so small that a person can barely feel them. Their roundness and particle size create a ball-bearing effect in creams and lotions resulting in a silky texture and spread ability.