The correct answer is a mixture of NO2 and H2 is known as Syngas. Key Points - Dihydrogen is the most abundant element in the universe ( 70% of the total mass of the universe). - It is the principal element in the solar atmosphere. - The mixture of CO and H2 is called water gas. - As this mixture of CO and H2 is used for the synthesis of methanol and a number of hydrocarbons, it is also called synthesis gas or 'syngas'. - The process of producing 'syngas' from coal is called 'coal gasification'. - 2NO2 (Nitrogen Dioxide) +4H2 (Dihydrogen) ⟶N2 (Dinitrogen )+4H2O (Water).
