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Standard XII
Chemistry
Molecular Weight of Polymers
Percentage st...
Question
Percentage strength of 20 volume H2O2 solution is a]3% b]6% c]20% d]15%
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Q.
A sample of
H
2
O
2
is labeled as 10 volume. Its percentage strength is nearly
Q.
An excess of acidified solution of
K
I
is added to a
25
mL
H
2
O
2
solution. The iodine liberated requires
20
mL of
0.3
N
N
a
2
S
2
O
3
solution. Calculate the volume strength of
H
2
O
2
:
Q.
The strength in volumes of a solution containing 30.36 g/litre of
H
2
O
2
is
Q.
To a 25 ml
H
2
O
2
solution, excess of acidified solution of KI was added. The iodine liberated required 20 ml of 0.3 N
N
a
2
S
2
O
3
solution. The volume strength of
H
2
O
2
solution is:
Q.
Half litre each of three samples of
H
2
O
2
labelled
10
volume,
15
volume and
20
volume are mixed and then diluted with equal volume of water. The relative strength of resultant
H
2
O
2
solution is:
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