List of top Questions asked in COMEDK UGET

The subtangent at $x = \pi/2$ on the curve $y = x \sin x $ is
Let $x$ be a number which exceeds its square by the greatest possible quantity, then $x$ =
One mole of $PCl_5$ is heated in a closed 2 $dm^3$ vessel. At equilibrium 40% $PCl_5$ is dissociated. Calculate the equilibrium constant.
The temperature of an object is $60^{\circ} C$. Its value in Fahrenheit scale is
Sulphur sol is a type of
The unstable intermediate dichlorocarbene $ {[:CCl_2]}$ is formed during
$aP + bQ \to $ Products, when $[P]$ is doubled keeping $[Q]$ constant rate increases $2$ times, when $[P]$ is constant and $[Q]$ is doubled, rate increases four times. The overall order is
When $2$-bromopentane is heated with alcoholic solution of potassium hydroxide, the major product obtained is
Van't Hoff factors of equimolal solutions of sodium chloride, barium chloride and glucose in water are
Vapour pressure of water at $293\, K$ is $17.535\, mm \,Hg$. The vapour pressure of water at $293 \,K$ containing $25 \,g$ of glucose dissolved in $450\, g$ of water is
The value of $\sin \left[\cot^{-1}\{{\cos(tan^{-1}\,x)\}}\right]$ is
Einstein was awarded Nobel prize for his work in
One second is defined as
On an average, a human heart is found to beat $72$ times a minute. Its frequency and period are
The major product formed when alkyl iodide is treated with excess of ammonia
Rain water is called acid rain when its $pH$
The photoelectric threshold for a certain metal is $3600\, \mathring A$. The maximum energy of the ejected photoelectrons by radiation of $2000\, \mathring A$ is (Given $h = 6.62 \times 10^{-34} J \, s$ )
Atomic numbers of vanadium, chromium, nickel and iron are $23, 24, 28$ and $26$ respectively. Which one of these is expected to have the highest second ionization enthalpy?
Find the energy equivalent of one atomic mass unit in joules and in $MeV$.
Among $2$-chloropropanoic acid, $3$-chloropropanoic acid, $2,2$-dichloroacetic acid and propanoic acid the $K_a$ values will be in the order,
The mutual inductance between two coils depends upon
An aeroplane is flying horizontally with a velocity of $360\, km\, h^{-1}$. The distance between the tips of the wings of the aeroplane is $50\, m$. The vertical component of the earth's magnetic field is $4 \times 10^{-4} \, Wb \, m^{-2}$. The induced e.m.f. is
Which of the following is an empty set?
Among the following compounds, the only one which is not an. artificial sweetening agent is
The number of proper subsets of a set having $n + 1$ elements is