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Q98 (NDA-I/2024) Science & Technology › Basic Science (Physics, Chemistry, Biology) Official Key

Water gas is a mixture of :

Explanation

Water gas is a synthesis gas (syngas) consisting primarily of carbon monoxide (CO) and hydrogen (H2). It is produced by passing steam over incandescent coke or coal at high temperatures (around 1000°C).

The chemical reaction for its formation is: C + H2O → CO + H2. This process is endothermic, meaning it absorbs heat from the fuel bed.

Key points regarding water gas include:

  • It is used as an industrial fuel due to its high calorific value.
  • It serves as a crucial source for the industrial production of pure hydrogen and methanol.
  • It should not be confused with producer gas, which is a mixture of carbon monoxide and nitrogen (CO + N2).

Thus, Option B is the correct answer as it accurately identifies the chemical composition of water gas.

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SIMILAR QUESTIONS

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