Burning coal in insufficient oxygen forms which poisonous gas instead …

Question

Burning coal in insufficient oxygen forms which poisonous gas instead of carbon dioxide?

Accepted Answer

D. Carbon monoxide

1. Complete combustion gives carbon dioxide.
2. Insufficient air gives carbon monoxide.
3. It is poisonous at high concentrations.
_Source: syllabus Science, Chapter 16, Sustainable Management of Natural Resources._

Answer

Sulphur dioxide

Answer

Nitrogen oxide

Answer

Methane gas

Burning coal in insufficient oxygen forms which poisonous gas instead of carbon dioxide?

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