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Writing Chemical Equations

Question 3Met...

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Question 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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Solution

$C a C O_{3} (s) + 2 H C l (a q) \to C a C l_{2} (a q) + C O_{2} (g) + H_{2} O (l)$
Calcium carbonate + Hydrochloric acid $\to$ Calcium chloride + Carbon dioxide + Water

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Q. Question 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.

Q. Metal compound

A

reacts with dilute hydrochloric acid 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.

Q. A substance X which is used as an antacid reacts with dilute hydrochloric acid to produce a gas Y which is used in one type of fire-extinguisher. Name the substance X and gas Y. Write a balanced equation for the chemical reaction which takes place.

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