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.
World Synagogues: Table of Contents | Australia | Canada. Click Left/Right to Scroll, Click the Caption to View the Individual Image. Ahavath Beth Israel Synagogue in Boise, Idaho. This is the oldest Synagogue building still in use West of the Mississippi River. Touro Synagogue - Newport, Rhode Island. Kahal Kadosh Beth Elohim Synagogue - Charleston, SC.
United States. 1  Bellevue Baptist Church, Memphis, Tennessee. 2  Bellevue College, Bellevue, Washington. 3  Bellevue Hospital Center, New York City, the oldest public hospital in the United States. 4  Bellevue University, Bellevue, Nebraska. 5  Bellevue (MBTA station), West Roxbury, Massachusetts.