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.
The influence of the Persian people, and Persian culture in the post-Islamic world can hardly be exaggerated. From influences in India and Asia, to those in Arabia, Rome, Greece, Persian presence has left a lasting impression.or the usage of Persian people as a pan-ethnic group designating the people of modern Iran (Persia), see Iran. The Persian people (Persian: Ù¾Ø§Ø±Ø³ÛØ§Ù) are an Iranian people who speak the modern Persian language and closely related Iranian dialects and languages.