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Which of the following reactions yield e...

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` 

A

I and II only

B

II, III and IV only

C

I, II and III only

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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