Please tell Q1 and Q2

Please tell Q1 and Q2 z II

Dear student,
Refer below for above asked query:-
(i) To differentiate between NaCl and Na2CO3 by using  dilute HCl.When Sodium Carbonate reacts with Hydrochloric acid it produces Carbon dioxide,Sodium Chloride and Water.Na2CO3+2HCl------> 2NaCl+CO2+H2OSodium chloride will not produce Carbon dioxide when it reacts with HCl.(ii) ZnCO3 when reacts with dil HCl will give CO2 where as ZnCl2 will not produce it.NaCO3+2HCl------> ZnCl2+CO2+H2OZnCO3 when reacts with BaCl2 it gives White precipitate of ZnCl2 where as ZnCl2 we will no precipitate formedZnCO3+BaCl2---------->ZnCl2+BaCO3

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