Solution of a substance X is used for testing carbon dioxide. Write th

1.	Solution of a substance X is used for testing carbon dioxide. Write the equation of the reactionof x with carbon dioxide How is x obtained ?Give chemical reaction.
Answer» Answer: Explanation: a) Here X is lime water i.e. Ca(OH)2 , which is used to test the PRESENCE of carbon dioxide . The equation of the reaction of x with carbon dioxide: Ca(OH)2 + CO2 ----------> CaCO3 + H2O ---- when calcium hydroxide (lime water) react with carbon dioxide it forms a white precipitate of calcium carbonate (the solution turns milky ) with the release of water . b) Calcium oxide REACTS with water to PRODUCE slaked lime (calcium hydroxide) releasing a large amount of heat and also produces hissing sound . *CaO(s) + H2O(l)---------> Ca(OH)2(aq)*

Solution of a substance X is used for testing carbon dioxide. Write the equation of the reactionof x with carbon dioxide How is x obtained ?Give chemical reaction.

Answer»

Answer:

Explanation:

a) Here X is lime water i.e. Ca(OH)2 , which is used to test the PRESENCE of carbon dioxide .

The equation of the reaction of x with carbon dioxide:

Ca(OH)2 + CO2 ----------> CaCO3 + H2O

---- when calcium hydroxide (lime water) react with carbon dioxide it forms a white precipitate of calcium carbonate (the solution turns milky ) with the release of water .

b) Calcium oxide REACTS with water to PRODUCE slaked lime (calcium hydroxide) releasing a large amount of heat and also produces hissing sound .

CaO(s) + H2O(l)---------> Ca(OH)2(aq)

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