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Diagram of liberation of corbondioxide on heating calcium carbonate, liberation of NO2 on decomposition of Pb(NO3)2, liberation of hydrogen by displacement reaction of Zn and HCl and reduction of copper oxide to copper

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afreen18
if u r frm sri chaitanya and u r having material of chemistry 
then see pg 53 diagram 
pg 22 diagram and
pg 19 diagram

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