1.

Which of the following reactions yield elementary gases like N_(2), H_(2), O_(2)as the byproducts ? I) CaO+NH_(3)rarr II) 2NH_(3)+2Na overset(Fe)underset(300-400^(@)C)rarr III) 8NH_(3)+3Cl_(2)rarr IV) 2Pb(NO_(3))_(2)overset(Delta)rarr

Answer»

I and II only
II, III and IV only
I, II and III only
All of these

Answer :D


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