1.

Which one of the following will NOT produce carbon dioxide on reacting with an aqueous solution of hydrochloric acid ?

Answer»

Limestone
Quick LIME
Chalk
Marble

Solution :In the given options, marble , limestone, and baking soda are all either METAL CARBONATES or bicarbonates All these when react with a dilute acid then theyproduce carbon DIOXIDE. Whereas lime which is calcium oxide when react with a dilute acid then they do not produce carbon dioxide.
For example, `CaO+"dil. "2HCl to CaCl_(2)+ H_(2)O`
THUS, lime when reacts with an acid then it produces salt and water but it does not produce carbon dioxide.


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