WebAntimony (Atomic number: 51) Antimony has been used for thousands of years and is even mentioned in the Qur’an. Antimony has probably the most chequered past of all the elements on this list ... Webbook, T-shirt, history, merchandising 312 views, 13 likes, 2 loves, 0 comments, 1 shares, Facebook Watch Videos from Simple History: Check out our...
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WebChlorine can react explosively or form explosive compounds with many common substances such as acetylene, ether, turpentine, ammonia, fuel gas, hydrogen, and finely … WebHere are 12 of the most dangerous contaminants that are commonly found in America’s water supply. 1. Lead ... Arsenic is a naturally occurring element in the earth’s crust. It is also present in air, food, and water. In the US, arsenic is particularly common in Southwestern cities like Scottsdale, Tucson, and Los Angeles, as well as in the ... highway embankment
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WebCalcium chromate, chromium trioxide, lead chromate, strontium chromate, and zinc chromate are known human carcinogens. An increase in the incidence of lung cancer has been observed among workers in industries that produce chromate and manufacture pigments containing chromate. Lead WebColored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam. When additional chemicals are added to the fuel burning, their atomic emission spectra can affect the … WebChlorine is a chemical element commonly used in industry and found in some household products. When chlorine gas comes into contact with moist tissues such as the eyes, throat, and lungs, an acid is produced that can damage these tissues. At room temperature, chlorine is a yellow-green gas under normal conditions and can be dissolved in water. small stove top oven