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

NCERT Class 10th Science Chapter 2 Acids Bases and Salts

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Answers

2016-04-13T15:06:37+05:30
The compound a must be calcium  carbonate
caco3+2hcl ----> cacl2 +h2o+ co2
 
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