Question
In calcareous soil, effervescence is visible when
treated with diluted 0.1 N HCl due to release of which of the following?Solution
CaCO3 + 2HCl = H2O + CO2(g) +Ca2+ + 2Cl- Calcareous soil that contains enough free calcium carbonate to effervesce visibly, releasing carbon-dioxide gas, when treated with cold 0.1 N hydrochloric acid,
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