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 main language of Iran is Persian. But in Iran speak Turkish, Azerbaijani people in North West Iran. And the South West province in Iran, some people speak in Arabic. Many â¦ locallanguages ââand dialects are also common.