MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is the chemical react. in the recovery boiler in addition to combustion? |
| A. | 2NaOH + CO<sub>2</sub>U ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O and Na<sub>2</sub>SO<sub>2</sub> +4C ‚Üî 6Na<sub>2</sub>S + 4CO |
| B. | 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub> and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî 4CO |
| C. | 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O<sub>2</sub> and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî Na<sub>2</sub>S +4CO<sub>2</sub> |
| D. | 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî Na<sub>2</sub>S +4CO |
| Answer» E. | |