List of practice Questions

A 100 mH coil carries 1 A current. Energy stored in its magnetic field is
IUPAC name of $(CH_3)_3CCl$
Ribose sugar is present in
The rate equation for a reaction : $A \rightarrow B$ is $r = K[A]^\circ$. If the initial concentration of the reactant is a mol $dm^{-3}$, the half life period of the reaction is
An electric heater rated $220\, V$ and $550\, W$ is connected to $AC$ mains. The current drawn by it is
According to Newton's Corpuscular Theory, the speed of light is
Three resistances $P, Q, R$ each of $2\, \Omega$ and an unknown resistance $S$ form the four arms of a Wheatstone's bridge circuit. When a resistance of $6\, \Omega$ is connected in parallel to $S$ the bridge gets balanced. What is the value of $S$ ?
When air is replaced by a dielectric medium of constant $K$. The maximum force of attraction between two charges separated by a distance:
What is the $ [OH^-] $ in the final solution prepared by mixing $20.0\, mL$ of $0.050\, M\, HCl$ with $30.0\, mL$ of $0.10\, M Ba(OH)_2 $ ?
The equivalent conductance of $\frac{ M }{32}$ solution of a weak monobasic acid is $8.0\, mho\, cm ^{2}$ and at infinite dilution is $400\, mho\, cm ^{2}$, The dissociation constant of this acid is -
The oxidation state of $Fe$ in the brown ring complex : $[Fe(H_2O)_5 NO]SO_4$ is
The incorrect statement in respect of Chromyl chloride test is

Argon is used:

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength $\lambda$. If $R$ is the Rydberg constant, the principal quantum number $'n'$ of the excited state is
Sound waves transfer
The reaction involved in the oil of winter green test is salicylic acid ${->[{\Delta}][{\text { Conc. } H _{2} SO _{4}}]}$ product. The product is treated with $Na _{2} CO _{3}$ solution. The missing reagent in the above reaction is
The carbon-carbon bond length in Benzene is
$ {CH_3COOH ->[LiA/H_4] X ->[Cu][300 ^{\circ}C] Y ->[dilute][NaOH] Z}$ In the above reaction $Z$ is
A compound of $'A'$ and $'B'$ crystallises in a cubic lattice in which the $'A'$ atoms occupy the lattice points at the corners of the cube. The $'B'$ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is
A 6% solution of urea is isotonic with
In the electrolysis of acidulated water, it is desired to obtain $1.12\, cc$ of Hydrogen per second under $S.T.P.$ condition. The current to be passed is
$10^{-6}\, M\, NaOH$ is diluted $100$ times. The $pH$ of the diluted base is
The magnetic dipole moment of a current loop is independent of
Near a circular loop of conducting wire as shown in the figure an electron moves along a straight line. The direction of the induced current if any in the loop is
The angle of minimum deviation for an incident light ray on an equilateral prism is equal to its refracting angle. The refractive index of its material is