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SSC CGL 2020 PYQ — Question 28

SSC CGL - 6th March 2020 Shift 1 • General Awareness • Q28

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Which of the following gases is consistently seen to be most abundant in a volcanic eruption?

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Correct answer: C

Explanation

The correct answer is option 3 i.e. Water vapour.

  • The main components of volcanic gases are water vapour (H2O), carbon dioxide (CO2), sulfur dioxide (SO2) or hydrogen sulfide (H2S), nitrogen, argon, helium, neon, methane, carbon monoxide and hydrogen.