1.CaC2
2.CaCO3
3.CaCL2
4.CaO
Correct Answer: 2.CaCO3
Explanation: Calcite crystals used in Nicol’s prism are formed of CaCO3
1.CaC2
2.CaCO3
3.CaCL2
4.CaO
Correct Answer: 2.CaCO3
Explanation: Calcite crystals used in Nicol’s prism are formed of CaCO3