Those compounds produce hydrogen (gas).
Calcium carbonate is a base and hydrochloric acid is an acid but their combined pH depends on ther initial concentrations.
Carbon Dioxide
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The gas released in the reaction of calcium carbonate with hydrochloric acid is carbon dioxide. CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
Calcium reacts with hydrochloric acid to produce Calcium chloride and hydrogen gas.Ca +2 HCl -----> CaCl2 + H2
Calcium Hydroxide + Hydrochloric acid = Calcium chloride + Water
Those compounds, hydrochloric acid and calcium, produce hydrogen (gas)
Calcium can react with hydrochloric acid. The products formed are calcium chloride and hydrogen gas.
Calcium is already neutral, so "neutralized" isn't the right word. It would react with hydrochloric acid to form hydrogen gas and calcium chloride.
Calcium+hydrochloric acid = calcium chloride+ hydrogen the base for any equation is metal+acid=hydrogen+salt
Hydrochloric acid + calcium carbonate ----> calcium chloride + carbon dioxide + water. 2HCL + CaCO3 ---> CaCl2 + CO2 + H2O
calcium carbonate + Hydrochloric acid= Calcium chloride + water + carbon dioxide