C. Soldier can log into the Army Career Tracker to show proof of completion. Soldiers who report to BLC without proof of SSD1 completion will be given 72. hours to show proof of their SSD1 completion or will be administratively. disenrolled.
Boiling an egg is definitely a chemical change because a boiled egg can't be changed back to a raw egg.The process which can't be changed back to the original form are called chemical change.So,it is definitely a chemical change. Source(s): IX standard physics book. Gowtham Â· 9 years ago.
The starting materials change into an entirely different substance or substances. This new substance has a different chemical composition than the starting materials. Examples of chemical changes would be the reaction of iron with air (rusting} or the reaction of a metal and acid. Certain observations will indicate that a chemical change has occurred. These are: *The reaction produced a change in temperature.