Question:
Calcite crystals used in Nicol’s prism are formed of:
Calcite crystals used in Nicol’s prism are formed of:
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Nicol’s prisms are made of calcite, which is a crystalline form of calcium carbonate (CaCO\(_3\)).
Updated On: Jan 30, 2026
- CaC\(_2\)
- CaCO\(_3\)
- CaCl\(_2\)
- CaO
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The Correct Option is B
Solution and Explanation
Step 1: Understanding Nicol’s Prism.
Nicol’s prism is made from calcite crystals. These crystals are primarily composed of calcium carbonate (CaCO\(_3\)), which is a mineral form of calcium carbonate. The other compounds listed are not associated with the material used in Nicol’s prism.
Step 2: Analyzing the options.
(A) CaC\(_2\): Incorrect. This is calcium carbide, which is not used in Nicol’s prism.
(B) CaCO\(_3\): Correct. Calcite is a naturally occurring form of calcium carbonate, used to make Nicol’s prism.
(C) CaCl\(_2\): Incorrect. This is calcium chloride, which is not used in Nicol’s prism.
(D) CaO: Incorrect. This is calcium oxide, which is not used to make Nicol’s prism.
Step 3: Conclusion.
The correct compound is CaCO\(_3\), corresponding to option (B).
Nicol’s prism is made from calcite crystals. These crystals are primarily composed of calcium carbonate (CaCO\(_3\)), which is a mineral form of calcium carbonate. The other compounds listed are not associated with the material used in Nicol’s prism.
Step 2: Analyzing the options.
(A) CaC\(_2\): Incorrect. This is calcium carbide, which is not used in Nicol’s prism.
(B) CaCO\(_3\): Correct. Calcite is a naturally occurring form of calcium carbonate, used to make Nicol’s prism.
(C) CaCl\(_2\): Incorrect. This is calcium chloride, which is not used in Nicol’s prism.
(D) CaO: Incorrect. This is calcium oxide, which is not used to make Nicol’s prism.
Step 3: Conclusion.
The correct compound is CaCO\(_3\), corresponding to option (B).
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