MCQ
Which gas can cause acid rain in nearby places and air pollution in downwind areas from the volcanic site?
- ✓$ \mathrm{SO}_2 $
- B$ \mathrm{H}_2 \mathrm{S} $
- C$ \mathrm{CO}_2$
- DAll of the above
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$MnO_2+ 4HCl \to MnCl_2 + 2H_2O + Cl_2$
If molar mass of hydrochloric acid is $M$.