answer : From the all above options the correct answer is (1) antiseptic.
detailed explanation of answer : (1) Antiseptics are chemical substances that prevent the growth of microorganisms or kill them but are not harmful when applied to human tissues. Mixture of mixture of chloroxylenol and terpineol is known as dettol which is an example of antiseptic.
chemical formula of terpineol is C10H18O
chemical formula of chloroxylenol : C8H9OCl
and the mixture of C8H9OCl and C10H18O is used as antiseptic.