Question

State one characterstic feature of the occurrence of following reaction

1 Dilute sulphuric acid is added to sodium carbonate

Answer 1

here is ur answer
 Dilute hydrochloric acid is added to sodium carbonate- The chemical reaction between Sodium carbonate and dilute sulphuric acid is characterized by the evolution of carbon dioxide gas.

Na2CO3 + H2SO4 → Na2SO4 + CO2 + H2O

Answer 2

Evolution of carbon di oxide