Dry Ice - We can simply say that Dry ice is solid Carbon dioxide CO2. It is used as a cooling agent. Mustard gas - It is used as a strong chemical weapon. This mortally chemical affects skin, leering eye, lungs and D.N.A. which affects the cells most. Teflon- Its commercial name is Polytetra Fluoroethylene. Teflon is a Fluorine containing the polymer. Fullerene - Fullerene is an allotrope of the carbon family in which fully carbon atoms are integrated. It is denoted by C60