Titanium Chloride

Titanium tetrachloride is an interesting liquid with a pungent odor and white smoke in wet air - it hydrolyzes to a white hydrogel of titanium dioxide. In the military, people use titanium tetrachloride's strange temperament as an artificial smoke agent. Especially in the ocean, more water, a release of titanium tetrachloride, smoke is like a white Great Wall, blocking the line of sight of the enemy. In agriculture, people use titanium tetrachloride to prevent frost.