Chemistry-
Which one of the following will be the major product when

Is treated with dilute H2SO4 in the presence of HgSO4
Chemistry-General




Answer:The correct answer is: 

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chemistry-
The appropriate reagent (s) for the transformation
is / are
Transformation of C = O group into CH2 in the presence of Zn + Hg is called Clemmensen’s reduction and in the presence of NH2 - NH2/OH- is called Wolf-Kishner Reduction
The appropriate reagent (s) for the transformation
is / are
chemistry-General
Transformation of C = O group into CH2 in the presence of Zn + Hg is called Clemmensen’s reduction and in the presence of NH2 - NH2/OH- is called Wolf-Kishner Reduction
chemistry-
For which of the following molecule significant m ¹ 0
I) 
II) 
III) 
IV) 
-OH and -SH groups do not cancel their dipole moment
For which of the following molecule significant m ¹ 0
I) 
II) 
III) 
IV) 
chemistry-General
-OH and -SH groups do not cancel their dipole moment
chemistry-
Y is

Y is
chemistry-General

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The product A is
The product A is
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The most suitable reagent of r the conversion of RCH2OH → RCHO is
Refer to Comprehensive Review
The most suitable reagent of r the conversion of RCH2OH → RCHO is
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X and Y are respectively
X and Y are respectively
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Identify Z in the reaction 

Identify Z in the reaction 
chemistry-General

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Which is correct about the change given below

Which is correct about the change given below

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Which alkali metal floats over cold water without any reaction?
4, Na, k all are less denses them water among these first group Li is very less reactive
Which alkali metal floats over cold water without any reaction?
chemistry-General
4, Na, k all are less denses them water among these first group Li is very less reactive
physics-
For the given uniform square lamina
, whose centre is 

Let the each side of square lamina is
.
So,
(due to symmetry)
And
(due to symmetry)
Now, according to theorem of perpendicular axis,


(i)
and
(ii)
From Eqs. (i) and (ii), we get



So,
So,
And
Now, according to theorem of perpendicular axis,

and
From Eqs. (i) and (ii), we get
So,
For the given uniform square lamina
, whose centre is 

physics-General
Let the each side of square lamina is
.
So,
(due to symmetry)
And
(due to symmetry)
Now, according to theorem of perpendicular axis,


(i)
and
(ii)
From Eqs. (i) and (ii), we get



So,
So,
And
Now, according to theorem of perpendicular axis,

and
From Eqs. (i) and (ii), we get
So,
physics-
Four balls each of radius 10 cm and mass 1 kg, 2kg, 3 kg and 4 kg are attached to the periphery of massless plate of radius 1 m. What is moment of inertia of the system about the centre of plate?

Moment of inertia of the system about the centre of plane is given by






Four balls each of radius 10 cm and mass 1 kg, 2kg, 3 kg and 4 kg are attached to the periphery of massless plate of radius 1 m. What is moment of inertia of the system about the centre of plate?

physics-General
Moment of inertia of the system about the centre of plane is given by






physics-
A
joint is formed by two identical rods
and
each of mass
and length
in the
plane as shown. Its moment of inertia about axis coinciding with
is

A
joint is formed by two identical rods
and
each of mass
and length
in the
plane as shown. Its moment of inertia about axis coinciding with
is

physics-General
maths-
The area bounded by y=cos x, y=x+1 and y=0 in the second quadrant is

The area bounded by y=cos x, y=x+1 and y=0 in the second quadrant is

maths-General
maths-
Area of the region bounded by y=
and y=2 is

Area
sQ. units
Area of the region bounded by y=
and y=2 is

maths-General
Area
sQ. units
maths-
Area of the region bounded by y
is

Area of the region bounded by y
is

maths-General