Which Is an Example of Both a Physical and a Chemical

Which is an example of both a physical and a chemical change? Hint: Think about the what is occurring over the course of time in each choice. Remember, phase change is physical.

A) The milk in the carton became frozen after the carton was accidentally placed in the freezing compartment overnight.
B) The bit of scrap metal was removed to the junkyard after being crushed by the heavy machine.
C) The gas was collected in a flask and cooled until it eventually became a liquid.
D) The old parchment became dry after being placed in the hot oven, but then was charred since it was not removed in the specified time.
E) Bubbles were seen on the egg shell when the vinegar was poured on it.