The setting of Plaster of Paris is:

Gypsum is

Which of the alkaline earth metals is the strongest reducing agent?

Consider the following statements:
Statement-$I$: Both $BeSO_4$ and $MgSO_4$ are readily soluble in water.
Statement-$II$: Among the nitrates of alkaline earth metals,only $Be(NO_3)_2$ on strong heating gives its oxide,$NO_2$,and $O_2$.

Write a note on: anomalous behavior of beryllium compared to other alkaline earth metal elements.

Among the following elements,which one is the most chemically reactive?