Answer 1

A strong chemical substance which is used on objects and surfaces in our surroundings to kill germs: Cresol

A chemical substance that is used to inhibit the growth and development of microorganisms is called as antiseptic or disinfectants. Disinfectants destroy microorganisms that grow on inanimate/ nonliving surfaces and objects whereas antiseptics destroy microorganisms on living tissue/ body. Cresol is an example of disinfectant. It is a phenolic compound.