Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Bond and Molecular Structure

Which one of the following is the chemical formula of gypsum?

1

CaSO₄.2H₂O

2

Ca₂SiO₄

3

2CaSO₄.H₂O

4

More than one of the above

5

None of the above

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