Give reasons: (a) Why silicones are used for nipples of feeding bottles? (b) Why are silicones used in cosmetic plants? (c) Why silicones are water-repellant? (d) Why are silicones thermally stable? (e) Are silicones safe for environment?
(a) Because it is thermally stable. (b) Because they are biocompatible. (c) Since they are surrounded by non-polar alkyl groups which is water repelling. (d) Because they are highly polar and have strong forces of attraction. (e) Yes.
