List of top Chemistry Questions asked in NEET (UG)

Which one of the following has magnesium?
Benzoic acid may be converted into ethyl benzoate by reaction with
0 .15 g of a substance dissolved in 15 g of a solvent higher by 0.216$^\circ$C than that of the pure solvent. Find out the molecular weight of the substance. $(K_b\, for\, solvent \, is\, 2.16 ^\circ C)$
The type of hybridization of boron in diborane is
The de-Broglie wavelength of a particle with mass 1 g and velocity 100 m/s is
The uncertainty in momentum of an electron is $1\times 10^{-5} kg m/s.$ The uncertainty in its position will be (Given, $h = 6.62 \times 10^{-34} kg m^2/s)$
The number of atoms in 4.25 g of $NH_3$ is approximately
The oxidation number of phosphorus in pyrophosphoric acid is
Gammexane is
Amides can be converted into amines by a reaction named after
The most suitable method of the separation of a mixture of ortho and para nitrophenol mixed in the ratio of 1 : 1 is
Ethyl chloride is converted into diethyl ether by
Which of the following configuration is correct for iron?
Natural rubber is a polymer of
Purification of aluminium by electrolytic refining is called
The Minamata disease in Japan was caused through the pollution of water by
Terylene is a condensation polymer of ethylene glycol and
Who modified Bohr's theory by introducing elliptical orbits for electron path?
The specific conductance of a $N / 10 \,KCl$ at $25^{\circ} C$ is $0.0112\, ohm ^{-1} cm ^{-1} .$ The resistance of cell containing solution at the same temperature was found to be $55\, ohm$. The cell constant will be
Cassiterite is an ore of
How many g of dibasic acid (mol. wt. 200) should be present in 100 mL of the aqueous solution to give 0.1 normality ?
Bell-metal is an alloy of
Aldol condensation will not take place in
At $25^\circ $C and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is constant, what volume will the oxygen occupy at 760 mm pressure?
In Friedal-Craft's alkylation besides $AlCl_3$ the other reactants are