_is the major source of acid deposition in the atmosphere.
Correct answer: C. SO3
- A. SiO2
- B. CO2
- C. SO3
- D. Al2O3
Explanation
SO3 reacts with rain water to form H2SO4 (sulfuric acid) which is a major source of acid rain.
This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.
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About Atmospheric Pollution
Atmospheric pollution covers harmful gases and particles released by vehicles, industries, burning fuels and natural sources. It includes carbon monoxide, sulfur and nitrogen oxides, particulate matter, smog, acid rain, the greenhouse effect and ozone depletion, along with their causes, chemical reactions, environmental effects and control methods.
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