Calcium oxide15 is known as lime1116 and is one of the top 10 chemicals1217 produced annually by thermal decomposition of limestone. The thermal decomposition of calcium carbonate to lime18 is one of the oldest chemical reactions known. For several thousand years, lime has been used in mortar (a paste of lime, sand and water) to cement stones to one another in buildings, walls and roads. The setting of mortar involves several chemical reactions.
1 Congregation Shearith Israel, 1654, Upper West Side, Manhattan, is the oldest congregation in New York and the United States. 2  Temple Society of Concord, 1839, Syracuse, New York.  Angel Orensanz Center, 1849, Lower East Side, Manhattan, is the oldest synagogue building still standing in New York State.
May 17, 2016. Massachusetts is full of history, and now the Bay State can lay claim to another time-honored title: the oldest living person in the United States. Goldie Michelson, who graduated from Clark University in Worcester in 1936, is officially the oldest person in the U.S. and the oldest Jewish person in the world, according to Clark. Sheâs currently 113 and will turn 114 in August. Michelson still lives in Worcester and spoke to her alma mater in 2012 when she was 110.