List of top Questions asked in AIIMS

The composition of a sample of wustite is $Fe _{0.93} O$. What percentage of the iron is present in the form of Fe (III)?
How many $mL$ of $0.125\, M \,Cr ^{3+}$ must be reacted with $12.00 \,mL$ of $0.200\, M\, MnO _{4}^{-}$if the redox products are $CrO _{7}^{2-}$ and $Mn ^{2+}$ ?
On commercial scale phenol is obtained from chlorobenzene. The chlorobenzene needed for the purpose is prepared byRaschig?? process. Which one of the following is Raschig?? process?
The strongest acid among the following is
At $300 \,K , 36\, g$ of glucose present per litre in its solution has an osmotic pressure of $4.98$ bar. If the osmotic pressure of solution is $1.52$ bar at the same temperature, what would be its concentration?
Grignard reagents and organolithium compounds on addition to dry ice separately, followed by hydrolysis gives
According to Hardy schulze law, the flocculating power of an ion increases with
Which of the following is a secondary pollutant ?
Which of the following is a secondary pollutant
A particle is projected from the ground with an initial speed of v at an angle $\theta$ with horizontal. The average velocity of the particle between its point of projection and highest point of trajectory is
A car is travelling with a linear velocity $v$ on a circular road of radius $r$. If it is increasing its speed at the rate of $a m / s ^{2}$, then the resultant acceleration will be
A prism is made up of material of refractive index $\sqrt{3}$. The angle of prism is $A$. If the angle of minimum deviation is equal to the angle of the prism, then the value of $A$ is
The half-life of a radioactive substance is $10$ days. This means that
A source and an observer are moving towards each other with a speed equal to $v/2$, where $v$ is the speed of sound. The source is emitting sound of frequency $n$. The frequency heard by one observer will be
An alternating voltage V = $V_0 \sin \omega t$ is applied across a circuit. As result $I = I_0 \sin(\omega t - \pi /2)$ flows in it. The power consumed per cycle is
To double the covering range of a TV transmitter tower, its height should be made
1 curie is
The magnifying power of a compound microscope is high if
Sound waves do not show the phenomenon of
A boy of mass $m$ stands on one end of a wooden planck of length $L$ and mass $M$. The plank is floating on water. If the boy walks from one end of the plank to the other end at a constant speed, the resulting displacement of the plank is given by
: $p$-chlorobenzoic acid is stronger acid than benzoic acid. : Chlorine has electron donating resonance $(+ R )$ effect.
Which has the highest pH?
Pebrine in silkworms is caused by
The unit of thermal conductivity is
A thin hollow sphere of mass m is completely filled with a liquid of mass $m$. When the sphere rolls with a velocity $v$, kinetic energy of the system is (neglect friction)