Hi, If you have not deleted browsing history for past 10 months then you can check the following location to search for the history: History files would be in the location if âDays to keep pages in historyâ is set to more than 10 months days. a. Open Internet Explorer. b. Click on Tools menu and select Internet options.
Carbon is also found in coal, petroleum, and natural gas. Carbon is one of the most important elements on the periodic table (at least from the perspective of organic chemists!).
Petroleum Chemistry. Petroleum Chemistry is made of a mixture of different hydrocarbons. The most prolific hydrocarbons found in the chemistry of petroleum are alkanes, these are also sometimes knows as branched or linear hydrocarbons.A significant percentage of the remaining chemical compound is the made up of aromatic hydrocarbons and cycloalkanes.etroleum Chemistry. Petroleum Chemistry is made of a mixture of different hydrocarbons. The most prolific hydrocarbons found in the chemistry of petroleum are alkanes, these are also sometimes knows as branched or linear hydrocarbons.