

MCQOPTIONS
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1. |
Which of the following is used as detector in improved infrared analyzer used for gas analysis? |
A. | PbSe |
B. | MgCl<sub>2</sub> |
C. | ZnCl |
D. | CuCl<sub>2</sub> |
Answer» B. MgCl<sub>2</sub> | |