List of top Questions asked in AIIMS

$Fe^{3+}$ can be used for coagulation of $As_2S_3$ sol. $Fe^{3+}$ reacts with $As_2S_3$ to give $Fe_2S_3$.
Change in colour of acidic solution of potassium dichromate by breath is used to test drunken drivers. Change in colour is due to complexation of alcohol with potassium dichromate.
For a constant hydraulic stress on an object, the fractional change in the object's volume $(\Delta V / V)$ and its bulk modulus $(B)$ are related as :
The number of $P - O - P$ bridges in the structure of phosphorus pentoxide and phosphorus trioxide are respectively
A $50\, Hz$ AC source of $20$ volts is connected across $R$ and $C$ as shown in figure. The voltage across $R$ is $12$ volt. The voltage across $C$ is
Which of the following gives propyne on hydrolysis?
Senescence is the time when age associated defects are manifested. Certain genes may be undergoing sequential switching on and off during one?? life.
Which of the following functions represents a simple harmonic oscillation?
The isoelectronic pair is
Among the following the strongest nucleophile is
When $10\, mL$ of $0.1\, M$ acetic acid $(pK_{a} = 5.0)$ is titrated against $10\, mL$ of $0.1\, M$ ammonia solution $(pK_{b} = 5.0)$, the equivalence point occurs at $pH$
The pressure exerted by an electromagnetic wave of intensity $I\left( W / m ^{2}\right)$ on a non-reflecting surface is: $[c$ is the velocity of light $]$
Somaclonal variation appears in
Pyridine is less basic than triethylamine because
Which of the following is a carbonate ore?
Which of the following logic gates is a universal gate?
Which one of the following biomolecules is insoluble in water?
When synapsis is complete all along the chromosome, the cell is said to have entered a stage called
When $a$ ball is thrown up vertically with velocity $v_0$, it reaches a maximum height of $h$. If one wishes to triple the maximum height then the ball should be thrown with velocity
Two infinitely long parallel conducting plates having surface charge densities $+\sigma$ and $-\sigma$ respectively, are separated by a small distance. The medium between the plates is vacuum. It $\varepsilon_{0}$ is the dielectric permittivity of vacuum, then the electric field in the region between the plates is:
The major product obtained on treatment of $CH_3 CH_2 CH(F)CH_3$ with $CH_3 O^- /CH_3 OH$ is
The magnetic moment $(\mu ) $ of a revolving electron around the nucleus varies with principal quantum number $n$ as
The ground state energy of hydrogen atom is $-13.6\, eV$. What is the potential energy of the electron in this state?
The diamagnetic species is
The apparent depth of water in cylindrical water tank of diameter $2R\, cm$ is reducing at the rate of $x\, cm/$minute when water is being drained out at a constant rate. The amount of water drained in c.c. per minute is ($n_1$ = refractive index of air, $n_2$ = refractive index of water).