co2 is prepared by heating caco3 and treating nahco3 with dilute h2 s o4 the mass of c and o is always constant which law is illustrated by this observation

co2 is prepared by heating caco3 and treating nahco3 with dilute h2 s

1.	co2 is prepared by heating caco3 and treating nahco3 with dilute h2 s o4 the mass of c and o is always constant which law is illustrated by this observation
Answer» CACO3 + CO2 + H2O → Ca (HCO3)2. 2. Test for ... (a) With WARM dilute H2SO4 a sulphide GIVES hydrogen sulphide gas ...