MCQ
प्लास्टर ऑफ पेरिस का रासायनिक सूत्र है
- ✓$\mathrm{CaSO}_{4} \cdot 2 \mathrm{H}_{2} \mathrm{O}$
- B$\mathrm{CaSO}_{4} \cdot \mathrm{H}_{2} \mathrm{O}$
- C$\left(\mathrm{CaSO}_{4}\right)_{2} \mathrm{H}_{2} \mathrm{O}$
- D$\mathrm{CaSO}_{4}$
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