Name the gas evolved when dilute sulphuric acid acts on sodium carbonate. Writ the chemical equation for the reaction involved. Share with your friends Share 14 Varshini Srinivasan answered this H2SO4 + Na2CO3 ------ Na2SO4 + CO2 +H2OThe gas evolved is carbon dioxide. 41 View Full Answer Mohammed Murtuza answered this the gas evolved when (dil)H2SO4 reacts with Na2CO3 is corbondioxide(CO2).The r/n is as follow:-(Dil)H2SO4 + Na2CO3 --------- Na2SO4 + CO2 + H2O (aq) (g) (l) 8