Chemistry-
General
Easy
Question
In the reaction:
Reagent used is:
- Both (b) and (c)
The correct answer is: Both (b) and (c)
Related Questions to study
Chemistry-
Intermediate (B) and product (C) are:
Intermediate (B) and product (C) are:
Chemistry-General
Physics-
The angular frequency of small oscillations of the system shown in the figure is
The angular frequency of small oscillations of the system shown in the figure is
Physics-General
Physics-
Time period of a block when suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Time period of a block when suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Physics-General
Physics-
A block of mass m compresses a spring of stiffness k through a distance 
as shown in the figure. If the block is not fixed to the spring, the period of motion of the block is
A block of mass m compresses a spring of stiffness k through a distance as shown in the figure. If the block is not fixed to the spring, the period of motion of the block is
Physics-General
Physics-
A particle moves on x-axis according to the equation 
, the motion is simple harmonic
A particle moves on x-axis according to the equation , the motion is simple harmonic
Physics-General
Physics-
Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring as its natural length, as shown in figure.
A) third identical block C, also of mass m moves on the floor with a speed v along the line joining A and B collides with A, elastically, then
Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring as its natural length, as shown in figure.
A) third identical block C, also of mass m moves on the floor with a speed v along the line joining A and B collides with A, elastically, then
Physics-General
Physics-
One end of a spring of force constant k is fixed to a vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance x0 from the block. The spring is then compressed by 2x0 and released. The time taken to strike the wall is
One end of a spring of force constant k is fixed to a vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance x0 from the block. The spring is then compressed by 2x0 and released. The time taken to strike the wall is
Physics-General
Physics-
A spring is loaded with two blocks m1 and m2 where m1 is rigidly fixed with the spring and m2 is just kept on the block m1 as shown in the figure. The maximum energy of oscillation that is possible for the system having the block m2 in contact with m1 is
A spring is loaded with two blocks m1 and m2 where m1 is rigidly fixed with the spring and m2 is just kept on the block m1 as shown in the figure. The maximum energy of oscillation that is possible for the system having the block m2 in contact with m1 is
Physics-General
Physics-
Minimum and maximum values of F to keep the cylinder in static equilibrium just after the water starts to spill through the hole. If the co-efficient of static friction between contact surfaces is 0.01.
Minimum and maximum values of F to keep the cylinder in static equilibrium just after the water starts to spill through the hole. If the co-efficient of static friction between contact surfaces is 0.01.
Physics-General
Physics-
A flat plate of height 1m and width 1m is hinged at its middle as shown in the figure. To the left of the plate is a liquid of density 
. To prevent the rotation of the plate, a force F is applied from the other side at the bottom. The value of F is
A flat plate of height 1m and width 1m is hinged at its middle as shown in the figure. To the left of the plate is a liquid of density . To prevent the rotation of the plate, a force F is applied from the other side at the bottom. The value of F is
Physics-General
Physics-
For the flat surface discussed in the passage, the total torque of the hydrostatic force about point ‘O’ is
For the flat surface discussed in the passage, the total torque of the hydrostatic force about point ‘O’ is
Physics-General
Physics-
A closed vessel is half filled with water. There is a hole near the top of the vessel and air is pumped out from this hole.
A closed vessel is half filled with water. There is a hole near the top of the vessel and air is pumped out from this hole.
Physics-General
Physics-
The vessel shown in the figure has two sections of areas of cross–section A1 and A2. A liquid of density r fills both the sections, up to a height h in each. Neglect atmospheric pressure
The vessel shown in the figure has two sections of areas of cross–section A1 and A2. A liquid of density r fills both the sections, up to a height h in each. Neglect atmospheric pressure
Physics-General
Physics-
A circular cylinder of radius R and height H is filled with water to a height 
H. It starts rotating about its axis with constantly increasing angular speed. Choose the correct alternatives
A circular cylinder of radius R and height H is filled with water to a height H. It starts rotating about its axis with constantly increasing angular speed. Choose the correct alternatives
Physics-General
Physics-
A Siphon tube is used to remove liquid from a container as shown in figure. In order to operate the Siphon tube it must initially be filled with the liquid
A Siphon tube is used to remove liquid from a container as shown in figure. In order to operate the Siphon tube it must initially be filled with the liquid
Physics-General
