List of top Questions asked in KEAM

The work done to lift a 60 kg mass to a height of 5 m from the ground is (g = 10 m/s\(^2\))
On complete combustion of 0.96 g of an organic compound, 0.88 g of carbon dioxide and 0.1 g of water are produced. What is the percentage composition of carbon in the compound?

Match the following: 

Which of the following molecules has the highest standard enthalpy change of fusion (\( \Delta_{fus}H^\circ \)) (in kJ mol\(^{-1}\))?
If the position of the particle as a function of time \( t \) is \( \vec{r} = 8t \hat{i} + 3t^2 \hat{j} + 3 \hat{k} \, \text{m} \), then the acceleration of the particle is (in \( \text{m/s}^2 \))
Which of the following transition metal oxide is used in dry battery cells?
The energy density of the electric field \( 2 \, \text{V/m} \) in a capacitor \( C \) is \( \varepsilon_0 \) is the permittivity of free space
In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:
A ball of mass 10g is dropped from a height of 50m. If 30J energy is lost due to air resistance, then what is the velocity of the ball when it hits the ground?
Preparation of KMnO\(_4\) from Mg(II):
The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:
Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:
\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:
A body is rotated about a fixed axis. Which of the following is correct about angular velocity?
The power dissipated by a particle with constant force and constant acceleration is proportional to the:
Acetanilide is prepared by reacting -------and-------.
Which of the following have a complete octet?
Which of the following is diamagnetic?
Area under \(F\) and \(t\) graph is?
If \( B = 400\sqrt{2} \sin(\omega t - kx) \), find the peak value of the magnetic field of the electromagnetic wave.
Express the final answer to the proper number of significant figures: \[ 18.0 + 11.515 + 13.2 = \ldots \]
A compound formed by reacting CoCl\(_2\) with excess NH\(_3\) gives 1 mol of AgCl with AgNO\(_3\). Form the compound:
Moment of inertia of a disc about the axis passing through the center and perpendicular to the plane is \(I_1\). What is the moment of inertia about its diameter?
When a body is dropped from height H, the time taken to reach the ground is T. What is the time taken to reach height H/2 from the ground?
The amount of NaOH required to neutralize 9.8g H\(_2\)SO\(_4\) is: