MCQ
प्लास्टर ऑफ पेरिस का रासायनिक सूत्र है-
  • A
    CaSO4.2H2O
  • $CaSO _4 \cdot \frac{1}{2} H _2 O$
  • C
    Na2CO3.10H2O
  • D
    Na2CO3

Answer

Correct option: B.
$CaSO _4 \cdot \frac{1}{2} H _2 O$
B

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