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.
Significant colonies of Persians reside overseas in North America and Europe. Persians are typically characterized by their usuage of the Persian language and a common culture and history. Persian identity, at least in terms of language, is traced to the ancient Indo-European Aryans who arrived circa 2000-1500 BCE.ersians are typically characterized by their usuage of the Persian language and a common culture and history. Persian identity, at least in terms of language, is traced to the ancient Indo-European Aryans who arrived circa 2000-1500 BCE.