Fossil fuels are hydrocarbons, meaning they are composed primarily of carbon and hydrogen. When fossil fuels are burned, carbon dioxide (CO 2) and water (H 2 O) are the principle chemical products, formed from the reactants carbon and hydrogen in the fuel and oxygen (O 2) in the air.
Yes: Visine has a vasoconstrictor medication that makes the blood vessels of the eye constrict to decrease the appearance of redness of the eyes. This decreases blood flow to the conjunctivae of the eyes.
Summary. 1  A chemical burn occurs when a liquid chemical contacts the eye. 2  Alkalis are especially dangerous to the eyes. 3  In many cases, prompt and thorough rinsing of the eye (with saline or fresh water) dramatically reduces the risk of injury and long-term damage.