List of top Questions asked in COMEDK UGET

In the detection of III group basic radicals, $ {NH4OH}$ is added after $ {NH_4Cl}$ to
In the group $\{1, 2, 3, 4, 5, 6\}$ under multiplication mod $7, 2^{-1} \times 4 =$
In the titration of Mohr's salt against $ {KMnO_4}$ the indicator used is
$\cos^2 \frac{\pi}{12} + \cos^2 \frac{\pi}{4} \cos^2 \frac{5 \pi}{12} = $
With the addition of impurities surface tension of a liquid
Electrolysis of brine gives a mixture of
A calcite crystal is placed over a dot on a paper sheet and the crystal is rotated. On viewing through the calcite one sees
The square of the resultant of two equal forces acting at a point is equal to three times their product. Angle between them is
$n $ type and $p$ type semiconductors can be obtained by doping pure silicon respectively with
Potential energy of two charges $10 \, nC$ each separated by a distance of 0.09 m in air is
Viscosity decreases with increase in temperature is the reason for (i) hot water moving faster than cold water (ii) more viscous oils are used in motor cars during summer than in winter
The standard temperature used in thermo- chemical calculations is
Which of the following is an intensive property?
Specific resistance of a conductor material increases with
Highest osmotic pressure is shown by a solution of
A reaction is spontaneous at all temperatures when
The lowering in vapour pressure is maximum for
In benzene, each carbon atom undergoes
Quality factor of a series $LCR$ circuit decreases from 3 to 2. Resonant frequency is $600 \, Hz$. Change in band width is
When phenol is treated with chloromethane in presence of $AlCl_3$ we get
Proton and $\alpha$ particle have the same deBroglie wavelength. Which one is the same for both of them ?
An example of a sulphur containing amino acid is
Horn silver is
To dry ammonia gas the drying agent used is
50 cc of oxalic acid is oxidized by 25 cc of 0.20 $ { N \, KMnO_4}$. The mass of oxalic acid present in 500 cc of the solution is