UPSC Previous Year Question | Prelims GS | 2024

Consider the following: 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcanic eruptions?

  1. Only one
  2. Only two
  3. Only three
  4. All four

Answer

Correct Answer

All four

Explanation

Volcanic eruptions produce pyroclastic debris, ash and dust, along with gases and chemical compounds. Volcanic emissions can include sulphur compounds and nitrogen-containing compounds. Therefore, all four are associated with volcanic eruptions.

Topics: geography, pyroclasts and volcanic gases, volcanic materials, volcanism