D-And F-Block Elements Ques 210

Question: From aqueous solution of $ ZnSO_4 $ , normal zinc carbonate may be precipitated by

[CPMT 1973]

Options:

A) Boiling with $ CaCO_3 $

B) Adding $ Na_2CO_3 $

C) Adding $ NaHCO_3 $

D) Passing $ CO_2 $

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Answer:

Correct Answer: C

Solution:

$ ZnSO_4+2NaHCO_3\to ZnCO_3+Na_2SO_4+H_2O+CO_2 $



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