How will you prove that a given salt is a carbonate of a metal ? – InterviewSolution

1.	How will you prove that a given salt is a carbonate of a metal ?
Answer» To salt, add few drops of dilute HCI or H₂SO₄, if colourless gas is evolved with brisk effervescence and on passing it through lime water, the lime water turns milky, the gas is CO₂ and salt is a carbonate of metal.

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