Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions in Hydrogen
Questions
>>
JEEMAIN and NEET
>>
Chemistry
>>
Hydrogen
The volume of oxygen liberated at STP when 10ml of 15v-
H
2
O
2
decomposes
jeemain
chemistry
class11
hydrogen
unit9
q56
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
One ml of
H
2
O
2
solution gives 50ml of
O
2
at NTP,so it is
jeemain
chemistry
class11
hydrogen
unit9
q55
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The % of by weight of hydrogen
H
2
O
2
is
jeemain
chemistry
class11
hydrogen
unit9
q54
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The approx concentration of
H
2
O
2
perhydrol is
jeemain
chemistry
class11
hydrogen
unit9
q53
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Weight of
H
2
O
2
present in 560ml of 20vol
H
2
O
2
solution is approx
jeemain
chemistry
class11
hydrogen
unit9
q52
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The number of electrons involved in the manufacture of 1mole of
H
2
O
2
from 50% of
H
2
S
O
4
jeemain
chemistry
class11
hydrogen
unit9
q51
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The volume strength of
1
N
−
H
2
O
2
solution is
jeemain
chemistry
class11
hydrogen
unit9
q50
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
50ml of certain sample of
H
2
O
2
gives 1200ml of
O
2
at STP.The volume strength of
H
2
O
2
is
jeemain
chemistry
class11
hydrogen
unit9
q49
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Strength of
2
N
H
2
O
2
solution is approx
jeemain
chemistry
class11
hydrogen
unit9
q48
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The volume of oxygen liberated at STP when 100ml of 15 volume
H
2
O
2
decomposes
jeemain
chemistry
class11
hydrogen
unit9
q47
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The volume strength of
3
N
−
H
2
O
2
solution is
jeemain
chemistry
class11
hydrogen
unit9
q46
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
In
10
5
g of a sample of water contained 16.2g of
C
a
(
H
C
O
3
)
2
then the hardness is
jeemain
chemistry
class11
hydrogen
unit9
q45
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
If 1000g of a water sample contains 10g of
C
a
C
O
3
then the hardness of that water sample is
jeemain
chemistry
class11
hydrogen
unit9
q44
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The weight of one mole of heavy water is
jeemain
chemistry
class11
hydrogen
unit9
q43
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
A sample of hard water contains 68ppm of
C
a
S
O
4
,then the hardness of the same sample of water is
jeemain
chemistry
class11
hydrogen
unit9
q42
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The percentage of deuterium in heavy water
jeemain
chemistry
class11
hydrogen
unit9
q41
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
In
H
2
O
2
molecule the
O
−
O
bond length is
jeemain
chemistry
class11
hydrogen
unit9
q40
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Hyperol is a addition product of
H
2
O
2
with
jeemain
chemistry
class11
hydrogen
unit9
q39
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Which of the following is reduced by
H
2
O
2
in acid medium
jeemain
chemistry
class11
hydrogen
unit9
q38
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Which of the following is linear molecule
jeemain
chemistry
class11
hydrogen
unit9
q37
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
An aqueous solution of
H
2
O
2
is
jeemain
chemistry
class11
hydrogen
unit9
q36
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
A reaction of
H
2
O
2
with urea is example of
jeemain
chemistry
class11
hydrogen
unit9
q35
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
At a pressure 68mm.
H
2
O
2
boils at temperture
jeemain
chemistry
class11
hydrogen
unit9
q34
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
H
2
O
2
+
H
2
O
→
H
3
O
−
+
H
O
−
2
the reaction indicates
jeemain
chemistry
class11
hydrogen
unit9
q33
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Which of the following is oxidized by
H
2
O
2
in the alkaline medium
jeemain
chemistry
class11
hydrogen
unit9
q32
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
H
2
gas is liberated when
H
2
O
2
reacts with
jeemain
chemistry
class11
hydrogen
unit9
q31
medium
asked
Jan 23, 2014
by
sreemathi.v
1
answer
O
2
−
2
is the symbol of _________ ion.
jeemain
chemistry
class11
hydrogen
unit9
q30
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
The O-O bond is not present in
jeemain
chemistry
class11
hydrogen
unit9
q29
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
H
2
O
2
forms prismatic crystals at
jeemain
chemistry
class11
hydrogen
unit9
q28
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
H
2
O
2
reduces
K
3
[
F
e
(
C
N
)
6
]
in
jeemain
chemistry
class11
hydrogen
unit9
q27
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
H
2
O
2
→
2
H
+
+
O
2
+
2
e
−
.
E
∘
=
−
0.68
v
.The given equation represents the following nature of
H
2
O
2
jeemain
chemistry
class11
hydrogen
unit9
q26
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Hard water is passed through an ionic exchange resin containing -
S
O
3
H
group.The out coming water is free from the following ions.
jeemain
chemistry
class11
hydrogen
unit9
q25
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Exhausted permit does not contain __________ ion.
jeemain
chemistry
class11
hydrogen
unit9
q24
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Which of the following substance is not present in clear hard water
jeemain
chemistry
class11
hydrogen
unit9
q23
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Pure water can be obtained from sea water by
jeemain
chemistry
class11
hydrogen
unit9
q22
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Permanent hardness of water cannot be completely removed by
jeemain
chemistry
class11
hydrogen
unit9
q21
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
During hydrogenation of oil the catalyst commonly used is
jeemain
chemistry
class11
hydrogen
unit9
q20
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Among the hydrides given below which are reasonably good acids.
jeemain
chemistry
class11
hydrogen
unit9
q19
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The process of adsorption of hydrogen on palladium is known as
jeemain
chemistry
class11
hydrogen
unit9
q18
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Metal hydride on treatment with water gives:-
jeemain
chemistry
class11
hydrogen
unit9
q17
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is
jeemain
chemistry
class11
hydrogen
unit9
q16
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The metal that can't displace hydrogen from dil HCl is
jeemain
chemistry
class11
hydrogen
unit9
q15
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Which isotope of hydrogen is/are radioactive in nature?
jeemain
chemistry
class11
hydrogen
unit9
q14
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The bond length is more in
jeemain
chemistry
class11
hydrogen
unit9
q13
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The electronic configuration is
1
s
1
for
jeemain
chemistry
class11
hydrogen
unit9
q12
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
n
p
ratio of
1
H
1
is
jeemain
chemistry
class11
hydrogen
unit9
q11
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The radioactive isotope of hydrogen is
jeemain
chemistry
class11
hydrogen
unit9
q10
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
The number of isotopes of hydrogen are
jeemain
chemistry
class11
hydrogen
unit9
q9
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Ratio of the Bohr radius of protium ,deuterium and tritium atom is
jeemain
chemistry
class11
hydrogen
unit9
q8
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Neutron is not present in the nucleus of
jeemain
chemistry
class11
hydrogen
unit9
q7
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Page:
« prev
1
2
3
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...
Please Wait