List of top Questions asked in KEAM- 2025

Oxidation of gluconic acid with nitric acid gives
Which of the following gases has the lowest solubility in water at 298 K?
The angular momentum of the electron revolving in the 2nd orbit is
The carbohydrates are stored in animal body as
Which of the following is not a chiral molecule?
The flux linked with a coil at any instant is given by \( \Phi = 5t^2 - 25t - 150 \) (in SI units). The emf induced in the coil at \( t = 2 \) s is
Hardness of water is estimated by titration with
If Q1 and Q2 are respectively the heat supplied and expelled by a system at a constant temperature, then the work done by the system is
Which of the following is an extensive property?
An astronaut experiences weightlessness in space satellite because
The force acting on the particle of 0.2 kg mass whose displacement is described by the equation \( x = 3t + 7t^2 \, \text{m} \)
A carbon resistor has a tolerance of 20\%. As per the colour codes of resistors, the last band in that resistor is
When a current of 2 A flows through a wire for 2.5 s, the amount of heat liberated is 20 J. The resistance of the wire is
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?
The reagent for Etard's reaction is:
Which has intramolecular hydrogen bonding?
Ortho nitrophenol, Para nitrophenol
The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:
The pKa value of a 0.1 M solution of a weak acid HA with pH = 4 is:
The force between two point charges separated by a distance \(d\) is \(F\). If one charge is moved away by a distance \(d\), then the new force is:
If \(T\) and \(n\) are surface tension and coefficient of viscosity, if temperature increases, then:
A shell in projectile motion explodes while in motion, what is the trajectory of the center of the fragments?
A coil of length \(l\) and area of cross-section \(A\) has resistance \(R\). If the length is increased to 3 times and area decreases to \(A/3\), then the new resistance is:
Metal in Wilkinson's catalyst?
Find the frequency of the waveform shown in the graph.
A wire of length 1m is clamped at half of its length. If the fundamental frequency is 3kHz, then find the velocity.