Q66 / 270 · NDA 2018 (Phase 2) · General Ability

Which one of the following is called syngas?

  • A
    $\mathrm{C}(\mathrm{s})+\mathrm{H}_2 \mathrm{O}(\mathrm{g})$
  • B
    $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2 \mathrm{O}(\mathrm{g})$
  • Correct answer
    C
    $\mathrm{CO}(\mathrm{g})+\mathrm{H}_2(\mathrm{~g})$
  • D
    $\mathrm{NO}_2(\mathrm{~g})+\mathrm{H}_2(\mathrm{~g})$

Solution

Syngas or synthesis gas is a mixture comprising of carbon monoxide $(\mathrm{CO})$, and hydrogen gas $\left(\mathrm{H}_2\right)$. It also contains little percentage of carbon dioxide $\left(\mathrm{CO}_2\right), \mathrm{N}_2$, char, ashes, tars, and oils. It is produced by gasification of a biomass (carbon containing fuel) to a gaseous product with heating value.

Hence, the correct answer is option: 'C'.

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