List of top Questions asked in COMEDK UGET

Which of the following reagents can be used to distinguish between phenol and benzyl alcohol ?
In the manufacture of ordinary glass the substance used is
Magnetic moment of deuteron is
If $\sin(\pi \cos \theta) = \cos(\pi \sin \theta),$ then $\sin 2 \theta$ equals
A step up transformer has turns ratio $10 : 1$. A source of emf 2 volts is fed to the primary. Secondary voltage developed is
Curie temperature is the temperature above which
Acetophenone when nitrated, the major product obtained is
Power alcohol is
Smoke is an example of
Stainless steel is an alloy of
The number of integral values of k for which the equation $7 \cos x + 5 \sin x = 2k + 1$ has solution is
The minimum energy required to excite $H_2$ atom from its ground state is
Tranquilisers
Which of the following gives a white precipitate with alcoholic silver nitrate?
A number of capacitors labelled as $8 \, \mu F, 250 \, V$ are given. Minimum number of capacitors needed to get an arrangement equivalent to $10 \, \mu F, 1000 \, V$ is
The material used in the manufacture of cooker must have (k - coefficient of thermal conductivity, s - specific heat of material used)
The shortest distance from the point $(3, 0)$ to the parabola $y = x^2$ is.
Auxospore forrmation is seen in
The salt soluble in excess of sodium hydroxide solution is
Concentrated nitric acid with aluminium gives
An electric lamp marked $60 \, W-220 \, V$ is used on an average $5$ hours a day in a month of $30$ days. Cost of electric power consumed at the rate of Rs. 2 per unit is
Two concentric circular loops of radii $0.08 \, m$ and $0.1 \, m$ carry currents such that magnetic field at the centre is zero. If the current in the outer loop is $8 \, A$ clockwise, current in the inner loop is
When a current flows through a conductor, there will be increase in temperature. This is mainly due to
Instrument used to measure e.m.f. of the cell accurately is
A wire is stretched such that its length -increases by $0.2 \%$. Its resistance