when a piece of limestone reacts with dilute HCl a gàs 'x' is prouduced. When gàs 'x' is pass through lime water then avoid percipitate 'y' formed. On passing rxes of gas 'x' the white precipicate disolves forming à soluble compound 'z'.
Question
1.What are x, y and z.
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Hi there ,
Limestone is CaCO3
Limewater is Ca(OH)2
●CaCO3 + 2H2Cl = CaCl2 + H2O + CO2
☆《X》gas is carbondioxide
When X gas pass through lime water
●Ca(OH)2 + CO2 = CaCO3 + H2O
☆《Y》 is calcium carbonate CaCO3
If (X) pass as excess amount it will disolved
●Ca(OH)2 + 2CO2 = Ca(HCO3)2
☆《Z》Is calcium bicarbonate or calcium hydrogen carbonate
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