everyday science MCQ #1325

Sulphur dioxide (SO2) and oxides of nitrogen (NOx) are responsible for:

everyday science MCQ #1325

  1. Question 1

    Q1. Sulphur dioxide (SO2) and oxides of nitrogen (NOx) are responsible for:

    • A) Acid rain
    • B) Ozone layer depletion
    • C) Global warming
    • D) Formation of smog

    Answer: Acid rain

    Explanation: SO₂ and NOx react with water vapor in the atmosphere to form sulfuric and nitric acids respectively, which fall to Earth as acid rain, damaging ecosystems and infrastructure.