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JEEMAIN and NEET
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Chemistry
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Environmental Chemistry
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Q)
Which of the following is used as Bioremedies
(
a
)
N
i
t
r
a
t
e
s
a
n
d
p
h
o
s
p
h
a
t
e
s
(
b
)
E
n
z
y
m
e
s
a
n
d
m
i
c
r
o
o
r
g
a
n
i
s
m
s
(
c
)
S
e
d
i
m
e
n
t
s
a
n
d
o
i
l
s
(
d
)
O
x
i
d
e
s
o
f
n
i
t
r
o
g
e
n
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