A metal carbonate w on reacting with an acid gives a gas X which when – InterviewSolution

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1.	A metal carbonate w on reacting with an acid gives a gas X which when passed through a solution Y gives the carbonate back. Solution Y reacts with gas Z to form a compound P used for decolourisation. ldentify W, X, Y, Z and P.
Answer» The Correct option is (d)

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