List of top Chemistry Questions

In a closed insulated container a liquid is stirred with a paddle to increase the temperature, which of the following is true?
$2$ mole of ideal gas at $ 27^{\circ}C$ temperature is expanded reversibly from $2\,L$ to $20\,L$ . Find entropy change $(R=2\,cal/mol\,K)$
Unit of entropy is
van der Waals real gas, act as an ideal gas, at which condition?
In hydrogen atom, energy of first excited state is $ -3.4\,eV$ . Then $KE$ of same orbit of hydrogen atom is
The cationic complex is
In the acid hydrolysis of methyl acetate ester,
$d^2sp^3$ hybridisation of the atomic orbitals gives
Which of the following is used as an oxidising agent in hybrid fuel?
Deficiency of vitamin $H$ causes
Select the basic dye from the following
Cellulose is soluble in
Which one of the following is a conjugated protein?
The wavelength of the first spectral line of sodium is $5896 \,??. The first excitation potential of sodium atom will be $\left(h=6.63 \times 10^{-34} \,Js \right)$
The chemical formula of plaster of Paris is
Which one of the following has square planar structure?
Zinc and cold dil. $ HNO_3$ reacts to produce
Tincture of iodine is
Methyl- $\alpha$ -D-glucoside and methyl $\beta$ -D-glucoside are
The long form of Periodic Table asked on
When lead nitrate is heated, it gives
Sucrose is an example of
Liquor ammonia is
Formalin is the commercial name of
Which of the following is not correct?