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NEETChemistryEnvironmental Chemistry

Which gaseous air pollutant is primarily responsible for causing respiratory diseases such as asthma and bronchitis in humans?

Options

  1. ACarbon dioxide
  2. BNitrogen dioxide
  3. CSulfur dioxide
  4. DCarbon monoxide

Correct answer

C. Sulfur dioxide

Step-by-step solution

Sulfur dioxide (SO 2 ) is a gaseous air pollutant that is primarily responsible for causing respiratory diseases such as asthma and bronchitis in humans when present in low concentrations. It can irritate the respiratory system, leading to these health issues.

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