Ethanol is oxidised by acidified sodium dichromate in a test-tube reaction, firstly to form ethanal (acetaldehyde), and with further oxidation, ethanoic acid (acetic acid). The experiment is most appropriate for post-16 students.
Windows XP stores all of your iPhone backup files in this location: C:\Documents and Settings\user\Application Data\Apple Computer\MobileSync\Backup. Obviously if your main drive is not C: then youâll have to change that, same goes for âuserâ, be sure to replace with the username of your login in Windows.
Where does iTunes keep its iPhone backups? Whenever an iPhone is synchronised with iTunes, iTunes makes a backup of (most of) the iPhoneâs data. You can view the iTunesâ backup history by going to Preferences > Devices. iTunes maintains some kind of history for successive backups, but I have no idea of the underlying logic.