a metal compound x reacts with dilute h2so4 to produce effervescence the gas evlved extinguishes a burning candle. if one of the compound formed is calcium sulphate than what is x and the gas evolved? also write a balance equation for the reaction which occured.
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X is calicum carbonate
CaC03 + H2So4 -----> CaSo4 + Co2 + H20
Gas evolved is Co2
CaC03 + H2So4 -----> CaSo4 + Co2 + H20
Gas evolved is Co2
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