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.
Tremendous changes came again to the Persians during the Islamic revolution of 1979. Today most Persians are Shi'a muslims. Most Persians live in Iran or a nearby Middle East country. Persian communities can also be found in the US, Europe, and other parts of the world.Azerbaijani or Azari, a Turkish people, have been influenced greatly by the Persians.They have been invaded many times and are spread throughout Central Asia.remendous changes came again to the Persians during the Islamic revolution of 1979. Today most Persians are Shi'a muslims. Most Persians live in Iran or a nearby Middle East country. Persian communities can also be found in the US, Europe, and other parts of the world.