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Carbon dioxide.

CaCO3 + 2HCl -> CaCl2 + CO2 + H2O

You can test this by:

1. Collecting the gas

2. Putting some of the gas in limewater - a positive result would be if the limewater turns cloudy.

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12y ago

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Related Questions

What gas does hydrochloric acid produce when mixed with limestone?

Carbon dioxide.


What gas is given off in hydrochloric acid?

Hydrochloric acid gives off hydrogen gas when it reacts with certain metals, such as magnesium or zinc. When hydrochloric acid reacts with limestone (calcium carbonate), carbon dioxide gas is produced.


What happens when a dilute solution of hydrochloric acid is poured on a limestone rock?

When hydrochloric acid is poured on limestone rock, a chemical reaction occurs where the acid dissolves the limestone, releasing carbon dioxide gas. This reaction forms calcium chloride and water as products. Over time, the limestone will be eroded by the acid.


Why does limestone bubbles when acid is added to its surface?

Limestone contains calcium carbonate, which reacts with acid (such as hydrochloric acid) to form carbon dioxide gas. The release of carbon dioxide gas creates bubbles or fizzing on the limestone surface.


What happens when a dilute solution of hydrochloric acid poured on a limestone rock?

It releases bubbles if carbon dioxide gas.


What happens to limestone when you treat it with dilute hydrochloric acid?

Limestone reacts with dilute hydrochloric acid to produce carbon dioxide gas, water, and calcium chloride salt. This reaction is a chemical reaction that results in the dissolution and breakdown of the limestone into its constituent parts.


What is the gar released when limestone reacts with dilute hydrochloric gas?

carbon dioxide


What gas was produces when zinc and hydrochloric acid were mixed?

Hydrogen gas was produced when zinc and hydrochloric acid were mixed. This is because when zinc reacts with hydrochloric acid, hydrogen gas is released as one of the products of the reaction.


Why no gas is released if sulphur is added to dilute hydrochloric acid?

When sulfur is added to dilute hydrochloric acid, it reacts with the acid to form hydrogen sulfide gas. This gas is colorless and has a strong odor of rotten eggs. The reaction occurs slowly because of the low reactivity of sulfur with hydrochloric acid, resulting in a delayed release of gas.


Which sedimentary rock would react with hydrochloric acid?

Limestone for sure, dolomite mildly.


What does dilute hydrochloric acid do to limestone?

Dilute hydrochloric acid reacts with limestone to form calcium chloride, carbon dioxide, and water. This reaction causes the limestone to break down and dissolve, resulting in the release of gas bubbles and the formation of a calcium chloride solution.


What happened when a dilute solution of hydrochloric acid is poured on a limestone rock?

It releases bubbles if carbon dioxide gas.