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.
On your iPhone, iPad, or iPod touch: 1  Go to Settings > [your name] > iCloud > iCloud Storage. On iOS 10.2 or earlier, go to Settings > iCloud > Storage. 2  Tap Manage Storage. 3  Tap to choose a backup. Then you can view more details about it, choose which information to back up,* or delete the backup.