Class 10 Chemistry Acids Bases Salts Reaction of metal carbonates and metal hydrogen carbonates w

Reaction of metal carbonates and metal hydrogen carbonates with acid

Metal carbonates are formed by reaction of metal salt with CO2 or with a carbonate of a more reactive metal.

Metal Hydrogencarbonates are formed by reaction of metal salt with HCO3 or with a hydrogencarbonates of a more reactive metal.

Metal carbonates and Metal Hydrogencarbonates reacts with acids and produces corresponding metal salt, carbon dioxide and water.

Let us consider the reaction of sodium carbonate with dilute HCl. The reaction proceeds in the following manner.

Secondly let us consider the reaction of sodium hydrogencarbonate with dilute HCl. The reaction proceeds as follows.

 

Both the reaction produces CO2 which on passing through lime water makes lime water milky due to formation of calcium carbonate.

On passing excess carbon dioxide following reaction occurs.

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