The manufacture of glass made up of silica was performed both equally from the Egyptians—at the least as early as 1500 bce—and by the Phoenicians. Surely, many of the In a natural way occurring compounds named silicates were Utilized in various forms of mortar for design of dwellings with the https://www.speakfreelee.com/post/81193_formula-of-calcium-nitride-ca-n-the-chemical-representation-of-calcium-nitride-a.html