List of top Questions asked in NEET (UG)- 2020

The minimum pressure required to compress $600 \,dm^{3}$ of a gas at $1$ bar to $150\, dm^{3}$ at $40^{\circ}C$ is
The mixture which shows positive deviation from Raoult’s law i s :
The number of angular nodes and radial nodes in $3s$ orbital are
The number of Faradays(F) required to produce 20g of calcium from molten $CaCl_2$ (Atomic mass of $CaCl_2$ g $mol^{-1}$) is :
Urea reacts with water to form $A$ which will decompose to form $B$. $B$ when passed through $Cu^{2+}(aq)$, deep blue colour solution C is formed. What is the formula of C from the following
What is the change in oxidation number of carbon in the following reaction? 
\(CH_4(g) + 4Cl_2 (g) \rightarrow CCl_4(l) + 4HCl (g)\)
What is the role of gypsum, $CaSO_{4}.2H_{2}O$ in setting of cement ? Identify the correct option from the following :
Which of the following alkane cannot be made in good yield by Wurtz reaction ?
Which of the following is cationic detergent?
Which of the following is a basic amino acid ?
Identify the correct statements from the following: 
(a) \(CO_2(g)\) is used as refrigerant for ice-cream and frozen food. 
(b) The structure of \(C_{60}\) contains twelve six carbon rings and twenty-five carbon rings. 
(c) \(ZSM-5\), a type of zeolite, is used to convert alcohols into gasoline. 
(d) \(CO\) is colorless and odourless gas.
An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radiusis:
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following ?
Which of the following is a natural polymer?
Anisole on cleavage with HI gives :
HCl was passed through a solution of $CaCl_2$,$MgCl_2$ and $NaCl$. Which of the following compound(s) crystallise(s)?

Paper chromatography is an example of:

The half-life for a zero order reaction having $0.02\, M$ initial concentration of reactant is $100\, s$. The rate constant (in $mol \,L^{-1} s^{-1})$ for the reaction is
The rate constant for a first order reaction is $4.606 \times 10^{-3} s^{-1}$. The time required to reduce $2.0\,g$ of the reactant to $0.2\,g$ is :
A long solenoid of $50\,cm$ length having $100\,turns$ carries a current of $2.5\,A$. The magnetic field at the centre of the solenoid is : $(\mu_o = 4\pi \times 10^{-7} T\,m\,A^{-1})$
A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference between current and voltage is $\frac {\pi}{3}$ . If instead C is removed from the circuit, the phase difference is again $\frac {\pi}{3}$ between current and voltage. The power factor of the circuit is :
Identify the function which represents a periodic motion
The color code of a resistance is given below : The values of resistance and tolerance, respectively, are :
color code of a resistance
The correct option for free expansion of an ideal gas under adiabatic condition is :
The number of protons, neutrons and electrons in $^{175}_{71} Lu,$ respectively , are :