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Question: Answered & Verified by Expert
The substance not likely to contain $\mathrm{CaCO}_3$ is
Chemistrys Block ElementsJEE MainJEE Main 2003
Options:
  • A
    calcined gypsum
  • B
    sea shells
  • C
    dolomite
  • D
    a marble statue
Solution:
1689 Upvotes Verified Answer
The correct answer is:
calcined gypsum
Gypsum is $\mathrm{CaSO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}$

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