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Explain by writing a word equation - Lime stone powder disappears on adding to dilute hydrochloric acids.

Answer»

Limestone is a mixture of the minerals calcite and aroganit , both of which form POLYMORPHIC form of calcium carbonate CaCo3. DAVID compounds reacts with HCL as FOLLOWS (standard acids- base reaction)

CaCo3 (s) + 2HCL (aq) gives rights to CaCl2 (aq) + Co2 (G) + H2O (l)

Carbon DIOXIDE gas is produced and this makes the solution effervesce. An aqueous solution of calcium chloride & water is left behind



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