MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following leads to a disease called broncho spasm? |
| A. | SO<sub>2</sub> |
| B. | SO<sub>3</sub> |
| C. | SO<sub>4</sub> |
| D. | CO<sub>2</sub> |
| Answer» C. SO<sub>4</sub> | |