Question

Write word equation for the following molecular equation:

\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]

Word equation:

State which characteristic does [g] in the above reaction indicate. The word equation of:

Answer 1

\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\] is 

\[\ce{Calcium carbonate + Hydrochloric ->[\triangle] Calcium chloride + water + carbon dioxide}\]

Indication –

Evolution of gas i.e. Carbon dioxide.