Helium

Starch is a white, powdery substance found in the living cells of green plants. It can be found in the seeds of corn, wheat, rice, and beans and in… See more » Silica gel, SIHL uh kuh jehl, is a nontoxic, glassy solid commonly used as a desiccant, a substance that removes moisture. Silica gel is made of… See more » Carbon tetrachloride, teht ruh KLAWR eyed, is a clear, colorless liquid that does not burn. Industries use it to dissolve oils and rubber, to… See more »