Chalk Reacting with Acid

Chalk Reacting with Acid

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Caption: Chalk reacting with acid. When few drops of 1M hydrochloric acid are poured on the chalk stick, bubbles are produced. Chalk contains calcium carbonate that reacts with hydrochloric acid to produce carbon dioxide bubbles: CaCO3 + HCl -> CaCl2 + H2O + CO2.

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Keywords: acid, bubbles, bubbling, caco3, calcium carbonate, carbon dioxide, carbonate-acid reaction, chalk, chalk stick, chemical, chemistry, co2, earth science, fizzing, geologic, geology, hcl, hydrochloric acid, mineral, reaction, sedimentary

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