What byproduct is formed during the decalcification acid treatment?

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Multiple Choice

What byproduct is formed during the decalcification acid treatment?

Explanation:
During acid decalcification, the mineral phase of bone that contains calcium combines with the acid and releases carbon dioxide as a byproduct. This gas evolution comes from the reaction of carbonate components in the mineral with the acid, for example CaCO3 reacting with acid to form calcium salts, CO2, and water. A common representation is CaCO3 + 2 HCl → CaCl2 + CO2 + H2O, which shows why effervescence is often observed during decalcification. Oxygen, nitrogen, or hydrogen aren’t produced in this process, so carbon dioxide is the correct byproduct.

During acid decalcification, the mineral phase of bone that contains calcium combines with the acid and releases carbon dioxide as a byproduct. This gas evolution comes from the reaction of carbonate components in the mineral with the acid, for example CaCO3 reacting with acid to form calcium salts, CO2, and water. A common representation is CaCO3 + 2 HCl → CaCl2 + CO2 + H2O, which shows why effervescence is often observed during decalcification. Oxygen, nitrogen, or hydrogen aren’t produced in this process, so carbon dioxide is the correct byproduct.

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