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.
Step 3. Recover and backup lost data on locked iPhone. When the scan is over, you will find all your iPhone data displayed and listed in order. Before recovery them, you can preview them one by one. Then mark the files you want to backup and click on the  Recover  button to backup them on your computer.