A water insouble calcium compound A on reacting with dil H2SO4 released a colour and odurless gas B wit brisk effervescence when gas B is passed though like water water turns milky and again fromed compound A identify A and B and write chemical equations
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A is calcium carbonate.....B is carbon dioxide
Caco3+H2So4----->CaSo4+Co2+H20
CO2+Ca(OH)2----->CACO3
Caco3+H2So4----->CaSo4+Co2+H20
CO2+Ca(OH)2----->CACO3
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B is carbon dioxide and a is ca c0 3
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