MCQOPTIONS
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| 1. |
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ? |
| A. | NH |
| B. | <sub>3</sub> |
| C. | NaCl |
| D. | CaO |
| E. | Coke |
| Answer» B. <sub>3</sub> | |