Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
The molecular formula of Plaster of Paris is
1
CaSO4
2
CaSO4, 2H2O
3
CaSO4 . \(\frac{1}{2}\)H2O
4
More than one of the above
5
None of the above