List of top Chemistry Questions

A unit in nucleic acid which contains ??ase-sugar phosphate??unit is called
Total volume of atoms present in a face centred cubic unit cell of a metal is ( $ r= $ atomic radius)
In colloid particles, range of diameter is
Moderate electrical conductivity is shown by
Calculate the volume (in L) of hydrogen gas liberated at $27^{\circ}C$ and 760 mm pressure during the treatment of 1.2 g of magnesium with excess hydrochloric acid [Atomic mass of Mg = 24]
Identify the correct statements from the following a) Li and Mg form solid hydrogen carbonates b) LiCl and $ {MgCl_2}$ are soluble in ethanol c) $ {KO_2}$ is soluble in water and liberates $ {O_2}$ and $ {H2O_2}$
Match L ist-I with List-II. Choose the correct answer from the options given below.
Match the column I and column II and mark the appropriate choice.
Match the column I with column II and mark the appropriate choice.
What is the approximate percentage of $ {{H}_{2}}{{O}_{2}} $ in a sample labelled as 10 vol?
Soap lather is an example of
Which of the following cannot be a rock salt type crystal?
The reaction which carried out in the presence of homogeneous catalyst is
If the unit of rate and rate constant are same for a reaction, the order of reaction will be
For a first order reaction the incorrect representation is
During electrolysis of dilute $H_2SO_4$, the gas evolved at anode is
For Freundlich adsorption isotherm the graph of log x/m vs log P, the slope has a value of
If the unit of rate and rate constant are same for a reaction, the order of reaction will be
$ {CH3 -CH = CH2 ->[500^{\circ}C][Cl_2]}X. X$ is
H-bond is strongest in:
For the given energy profile diagram, rate determining step is
Carbolic acid is
$9.2\, g\, N_2O_4$ is heated in a $1L$ vessel till equilibrium state is established $N_2O_{4(g)} {<=>}2NO_{2(g)}$ In equilibrium state $50\% N_2O_4$ was dissociated, equilibrium constant will be (mol. wt. of $N_2O_4 = 92$)
In which of the following nuclear reaction X and Y are isotopes?
Aspirin is chemically: