The mixture of chloroxylenol and terpineol is an example of:

We need to identify what the mixture of chloroxylenol and terpineol is an example of. The mixture is commercially known as Dettol.

Dettol is an antiseptic used on living tissues (skin) to prevent infection from cuts, wounds, etc.

Note the difference:
- Antiseptic: Applied on living tissue (skin, wounds) to prevent infection.
- Disinfectant: Applied on non-living surfaces (floors, instruments) to kill microorganisms.

Dettol (chloroxylenol + terpineol) is primarily used as an antiseptic, so the answer is Option A: Antiseptic.