If it is heated while it is being compressed or held inside a container as such, the pressure build up while in the container and the pressure can become so much that the container will burst.
Answer:

Explanation:
The oxidation state of S is (-2) and that of Mg is (+2) since Mg loses two electrons to S
Answer:
I think everything that's there is correct.
Explanation:
Bleach with pH of about 12.5 would be a strong base.
Milk with pH of 6.5 and Blood with pH around 7 would be neutral.
Battery acid with pH below 1 is strong acid and orange juice is weak acid.
Answer:
BRO WHAT THEY ANSWER TO UR BUT NOT MINE OK
Explanation: I THINK THE ASNSWER IS C BUT NOT SURE.... HOPE IT HELPS
Elements in the same group tend to have very similar properties (D). This is due to the number of valence electrons each group has.