MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following gas is responsible for the puffed-up appearance of the dough? |
| A. | NH<sub>3</sub> |
| B. | CO<sub>2</sub> |
| C. | O<sub>2</sub> |
| D. | CH<sub>4</sub> |
| Answer» C. O<sub>2</sub> | |