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Byju's Answer
Standard XII
Biology
Mechanism of Action of Hydrophilic Hormones
100ml of samp...
Question
100ml of sample of water requires 3.92mg of K2Cr2O7 in presence of H2SO4 for the oxidation of disolveed organic matter present in it . the COD of the water sample in pppm?
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Similar questions
Q.
500
m
L
of a sample of water required
19.6
m
g
of
K
2
C
r
2
O
7
for the oxidation of dissolved organic matter in it in the presence of
H
2
S
O
4
. The
C
O
D
of water sample is:
Q.
10 mL of water required 1.47 mg of
K
2
C
r
2
O
7
(M. wt. = 294) for oxidation of dissolved organic matter in presence of acid. Then the C.O.D of water sample is:
Q.
10
mL of water required
1.47
mg of
K
2
C
r
2
O
7
(mol. wt.
=
294
) for oxidation of dissolved organic matter. C.O.D (Chemical Oxygen Demand) of water is?
Q.
One kilogram of sea water sample contains
6
m
g
of dissolved
O
2
. The concentration of
O
2
in the sample in ppm is:
Q.
Biochemical Oxygen Demand (BOD) measures organic material present in water. A sample of water has a BOD value of less than 5 ppm. This indicates that:
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