The dehydration of ethanol to give ethene Ethanol is heated with an excess of concentrated sulphuric acid at a temperature of 170Â°C. The gases produced are passed through sodium hydroxide solution to remove the carbon dioxide and sulphur dioxide produced from side reactions.
Iran is a multi-ethnic and multicultural country. The northwestern region, Azerbaijan, is largely populated by Iranian Azeris, who are a Turkic people closely related to the people of Azerbaijan republic and Turkey.
Indeed the word is Vedic/Avestan and the word Iran means land of the Aryans or land of the honorable people, now this honorable people were most probably neither a tribe nor a race, it was just something the early Indo Europeans who settled in Iran liked to call themselves.