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HOW WILL YOU PROVE THAT A GIVEN SALT IS A CARBONATE OF METAL?

It can be tested in the following way-
metal carbonate+acid=metal salt+carbon dioxide+water
Add an acid. The hydrogen ion will combine with carbonate to make H2CO3 which will decay into water and carbon dioxide causing rapid bubbling. Therefore, if you add an acid to a salt in solution and rapid bubbling occurs, then it is a carbonate salt.


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