1-4. For the given following reactiona NH3 + b O2 c NO2 + d H2O

1.	1-4. For the given following reaction a NH3 + b O2 c NO2 + d H2O
A.	n1. The value of a, is?
B.	2
C.	4
D.	6
E.	8
Answer» B. 2

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