Chemistry-
General
Easy
Question
Which will not form a yellow precipitate on heating with an alkaline solution of iodine?
The correct answer is: 
Related Questions to study
physics-
A bi-convex lens is formed with two thin planoconvex lenses as shown in the figure Refractive index n of the first lens is 1.5 and that of the second lens s 1.2 Both the curved surfaces are of the same radius of curvature R = 14 cm For this bi-convex lens, for an object distance of 40 cm, the image distance will be

A bi-convex lens is formed with two thin planoconvex lenses as shown in the figure Refractive index n of the first lens is 1.5 and that of the second lens s 1.2 Both the curved surfaces are of the same radius of curvature R = 14 cm For this bi-convex lens, for an object distance of 40 cm, the image distance will be

physics-General
physics-
The graph between the lateral magnification (m) produced by a lens and the distance of the image (v) is given by
The graph between the lateral magnification (m) produced by a lens and the distance of the image (v) is given by
physics-General
physics-
A small sphere is attached to a cord and rotates in a vertical circle about a point
. If the average speed of the sphere is increased, the cord is most likely to break at the orientation when the mass is at

The cord is most likely to break at the orientation, when mass is at
as tension in the string at this point is maximum
A small sphere is attached to a cord and rotates in a vertical circle about a point
. If the average speed of the sphere is increased, the cord is most likely to break at the orientation when the mass is at

physics-General
The cord is most likely to break at the orientation, when mass is at
as tension in the string at this point is maximum
physics-
Two forces, each equal to
, act as shown in figure. Their resultant is

Note that the angle between two forces is 120
and not 60
.

or
or
or
or
Two forces, each equal to
, act as shown in figure. Their resultant is

physics-General
Note that the angle between two forces is 120
and not 60
.

or
or
or
or
chemistry-
The reaction given below is called: 
It is name reaction.
The reaction given below is called: 
chemistry-General
It is name reaction.
chemistry-
- butyl alcohol
A True statement about is
- butyl alcohol
A True statement about is
chemistry-General
chemistry-
General formula of primary alcohol is:
General formula of primary alcohol is:
chemistry-General
maths-
If
, then 
If
, then 
maths-General
chemistry-
Diethyl ether is soluble in:
Soluble in strong acids ethers are Lewis base.
Diethyl ether is soluble in:
chemistry-General
Soluble in strong acids ethers are Lewis base.
chemistry-
Glycerol reacts with potassium bisulphate to produce
Glycerol is dehydrated on heating with
. 
Glycerol reacts with potassium bisulphate to produce
chemistry-General
Glycerol is dehydrated on heating with
. 
maths-
If [m n]
and m< n, then (m, n) =
It is obvious that (m,n) =(3, 4).
If [m n]
and m< n, then (m, n) =
maths-General
It is obvious that (m,n) =(3, 4).
chemistry-
Power alcohol is a mixture of petrol and alcohol in the ratio:
Power alcohol is used to generate power.
Power alcohol is a mixture of petrol and alcohol in the ratio:
chemistry-General
Power alcohol is used to generate power.
chemistry-
The compound that will react most readily with
to form methanol is:
The compound that will react most readily with
to form methanol is:
chemistry-General
maths-
The system of equations
has no solution, if
is
For no solution or infinitely many solutions
.
But for
, clearly there are infinitely many solutions and when we put
in given system of equations and adding them together L.H.S
R.H.S. i.e., No solution.
But for
The system of equations
has no solution, if
is
maths-General
For no solution or infinitely many solutions
.
But for
, clearly there are infinitely many solutions and when we put
in given system of equations and adding them together L.H.S
R.H.S. i.e., No solution.
But for
chemistry-
Dialkylsulphides are known as:
Dialkylsulphides are known as:
chemistry-General