List of top Chemistry Questions asked in NEET (UG)

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
Which of the following reactions is the metal displacement reaction ? Choose the right option.

The product formed in the following chemical reaction is:

chemical reaction

Match List - I with List - II.

List - I

List - II 

(a)(i)Hell-VolhardZelinsky reaction
(b)(ii)Gattermann-Koch reaction
(c)(iii)Haloform reaction 
(d)(iv)Esterification

Choose the correct answer from the options given below.

The correct option for the value of vapor pressure of a solution at 45\(^{\circ}\)C with benzene to octane in molar ratio 3 : 2 is : [At 45\(^{\circ}\)C vapor pressure of benzene is 280 mm Hg and that of octane is 420 mm Hg. Assume Ideal gas]

Which of the following molecules is non-polar in nature

Statement I : The codon 'AUG' codes for methionine and phenylalanine. Statement II : 'AAA' and 'AAG' both codons code for the amino acid lysine. In the light of the above statements, choose the correct answer from the options given below.
Match List-I with List-II. Choose the correct answer from the options given below.
The maximum temperature that can be achieved in blast furnace is :
If 8 g of a non-electrolyte solute is dissolved in 114 g of n-octane to reduce its vapour pressure to 80%, the molar mass (in g mol-1) of the solute is
[Given that the molar mass of n-octane is 114 g mol-1.]
A liquid compound (x) can be purified by steam distillation only if it is
Find out the solubility of $Ni(OH)_2$ in 0.1 M NaOH. Given that the ionic product of $Ni(OH)_2$ is $2 \times 10^{-15}$
Identify a molecule which does not exist.
On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:

Paper chromatography is an example of:

The minimum pressure required to compress $600 \,dm^{3}$ of a gas at $1$ bar to $150\, dm^{3}$ at $40^{\circ}C$ is
What is the role of gypsum, $CaSO_{4}.2H_{2}O$ in setting of cement ? Identify the correct option from the following :
The mixture which shows positive deviation from Raoult’s law i s :
The number of Faradays(F) required to produce 20g of calcium from molten $CaCl_2$ (Atomic mass of $CaCl_2$ g $mol^{-1}$) is :
The calculated spin only magnetic moment of $Cr^{2+}$ ion is :
Sucrose on hydrolysis gives
The number of angular nodes and radial nodes in $3s$ orbital are
An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radiusis:
An increase in the concentration of the reactants of a reaction leads to change in :
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as: