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JEEMAIN and NEET
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Chemistry
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Environmental Chemistry
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Q)
x
N
O
2
+
y
H
2
O
+
O
2
→
4
z
.The
z
in the equation is
(
a
)
H
N
O
2
(
b
)
N
O
2
(
c
)
O
2
(
d
)
H
N
O
3
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