List of top Questions asked in COMEDK UGET

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?
Highest osmotic pressure is shown by a solution of
The lowering in vapour pressure is maximum for
A reaction is spontaneous at all temperatures when
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
Specific resistance of a conductor material increases with
Tetrahedral structure is formed by
The argument of the complex number $\sin\left(\frac{6\pi}{5}\right) + i\left(1 +\cos \frac{6\pi}{5}\right) $ is
Horn silver is
An example of a sulphur containing amino acid is
When phenol is treated with chloromethane in presence of $AlCl_3$ we get
The metal hydroxide which is soluble in excess of ammonium hydroxide is
To dry ammonia gas the drying agent used is
When the same amount of electricity is passed through solutions of silver nitrate and copper sulphate, 0.4 g copper is deposited. The amount of silver deposited is
Distance between two point charges is increased by 20%. Force of interaction between the charges
A star is moving away from the Earth with speed $V$. Change in wavelength $(d\lambda)$ observed on Earth is
Power factor of a series $LCR $ circuit is
Proton and $\alpha$ particle have the same deBroglie wavelength. Which one is the same for both of them ?
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
50% of a first order reaction is completed in 30 min. The velocity constant of the reaction is
The ebullioscopic constant is the elevation in boiling point produced by
90 dB sound is x times more intense than 40 dB sound, then x is