There is no doubt that none of the chemical elements have played a more important role than oxygen in the development of chemistry. This life-giving gas was able to make such a huge breakthrough in chemistry in the late eighteenth century that it had never been possible before.

Egypt is one of the northeastern countries of Africa. It borders Libya to the west and Sudan to the south. Egypt is bordered by the Mediterranean Sea to the north, Israel by land on the Sinai Peninsula, and Palestine on the Gaza Strip. The north of Egypt generally has a pleasant climate due to its proximity to the Mediterranean Sea.