List of practice Questions

In case of condensation of polymers
Which one of the following is a non-polar molecule?
The anomeric carbon in $D(+)$ glucose is
Which one of the following metals is extracted by a carbon reduction process?
Picric acid is a stronger acid than acetic acid and benzoic acid. It contains
The area under the displacement-force curve gives
The height of the dam, in a hydroelectric power station is $ 10 \,m $ . In order to generate $ 1 \,MW $ of electric power, the mass of water (in kg) that must fall per second on the blades of the turbines is
The resonance frequency of the tank circuit of an oscillator when $ L=\frac{10}{{{\pi }^{2}}}mH $ and $ C=0.04\text{ }\mu F $ are connected in parallel is
A solid cylinder is rolling down on an inclined plane of angle $ \theta , $ The coefficient of static friction between the plane and cylinder is $ \mu _{s}$ . Then condition for the cylinder not to slip is
The average kinetic energy of a gas molecule is
The magnetic susceptibility of paramagnetic materials is
The products obtained when anisole is heated in a sealed tube with $HI$ are
Nitration of nitrobenzene at $ 125^{\circ} C $ with mixed acids gives
To convert a moving coil galvanometer $(MCG)$ into a voltmeter
The metallurgical process in which a metal is obtained in a fused state is called
IUPAC name of $CH _{3}- \underset{\overset{|}{Cl}}{C}H - CH _{2}- CHO$ is $Cl$
The net magnetic flux through any closed surface, kept in a magnetic field is
According to Lenz's law of electromagnetic induction
Consider a thin spherical shell of radius $R$ consisting of uniform surface charge density $\sigma$ The electric field at a point of distance $x$ from its centre and outside the shell is
The energy released in the fission of $ 1 \,kg $ of $ _{92}{{U}^{235}} $ is (energy per fission = 200 MeV)
The latent heat of fusion of ice at $0^{\circ} C$ is $80\, cal / g$. Entropy change $(\Delta S)$ accompanying the melting of $1\, g$ of ice at $0^{\circ} C$ would be (units: $cal / g / K$ )
The work done in bringing at a unit positive charge from infinity distance to a point at distance $x$ from a positive charge $Q$ is $W$. Then the potential $ \phi $ at that point is
When a $p-n$ junction diode is connected in forward bias its barrier potential
The frequency of the fundamental note in a wire stretched under tension $T$ is $f$. If the tension is increased to $25 \,T$, then the frequency of the fundamental note will be
A body moving along a circular path of radius $R$ with velocity $v$, has centripetal acceleration a. If its velocity is made equal to $2v$, then its centripetal acceleration is