What will you observe when hydrochloric acid is added to a test tube containing sodium carbonate?
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Answer:
When dilute hydrochloric acid reacts with sodium carbonate, then sodium chloride, carbon dioxide and water are formed. ... If excess of carbon dioxide gas is passed through the milky lime water, the solution becomes clear again. This confirms the presence of carbon dioxide gas.
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Answer:
2HCl+Na2CO3 ---> 2NaCl + CO2 + H2O
Explanation:
When acid(HCl) is treated with base ( Na2CO3) it undergo neutralization reaction and forms salt (NaCl) and water (H20) along with a colorless gas (CO2) is evolved during the reaction.
* in order to confirm the evolved gas is carbon dioxide add lime to carbon dioxide then lime changes to milky
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