NCERT Solution for Class Tenth Science Chapter 2
Acids, Bases and Salts
Intext Questions
Page No-6
Questions No-3
Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.
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CaCO₃+2HCl → 𝐶𝑎𝐶𝑙₂+𝐶𝑂₂ +𝐻₂𝑂
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Suppose Metal compound A is calcium carbonate when reacted with HCl it produces a compound CaCl2 with CO2 and water.
The metal compound A reacts with dilute hydrochloric acid to produce a gas that extinguishes a burning candle. The formation of calcium chloride is also mentioned. Based on this information, the balanced chemical equation for the reaction can be written as follows:
Metal compound A + 2HCl → CaCl₂ + Gas
Keep in mind that the actual metal in compound A is not specified, so you might need more specific information to determine the exact balanced equation. If you know the metal in compound A, you can replace “Metal compound A” with the specific metal symbol.