The difference of molecules of water in gypsum and POP is : [1]
A. \(\frac{5}{2}\)
B. 2
C. \(\frac{3}{2}\)
D. \(\frac{1}{2}\)
Answer:C
The difference of molecules of water in gypsum and POP is : [1]
A. \(\frac{5}{2}\) B. 2 C. \(\frac{3}{2}\) D. \(\frac{1}{2}\)